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The Research on Cross-Cultural Critical Thinking in English Teaching: A Pedagogical Paradigm Within the Ideological and Political Course Framework
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作者 MA Yuan HUANG Fengqiu 《Sino-US English Teaching》 2024年第3期99-103,共5页
The conflation of linguistic competencies with ideological and political educational paradigms presents unique opportunities and challenges for English language teaching(ELT)in our increasingly interconnected world.Th... The conflation of linguistic competencies with ideological and political educational paradigms presents unique opportunities and challenges for English language teaching(ELT)in our increasingly interconnected world.This research seeks to address the role of cross-cultural critical thinking within the landscape of English pedagogy,framed by the imperatives of ideological and political education.Employing a multi-method approach,including thematic content analysis and action research,the study proposes a pedagogical model designed to integrate transcultural discourse and ideologically reflective practices into the conventional ELT curriculum.This paper argues for a reimagined approach to teaching English that encourages students to engage with diverse cultural perspectives and develop a nuanced understanding of global issues. 展开更多
关键词 cross-cultural critical thinking English language teaching ideological and political education pedagogical paradigm transcultural discourse cultural awareness
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From Control to Empowerment:A Paradigm Shift in the Discourse of Educational Supervision
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作者 Jinhua Zhou Kai Zhang 《Journal of Contemporary Educational Research》 2024年第9期176-180,共5页
As educational reforms intensify and societal emphasis shifts towards empowerment,the traditional discourse paradigm of management and control in educational supervision faces growing challenges.This paper explores th... As educational reforms intensify and societal emphasis shifts towards empowerment,the traditional discourse paradigm of management and control in educational supervision faces growing challenges.This paper explores the transformation of this discourse paradigm through the lens of empowerment,analyzing its distinct characteristics,potential pathways,and effective strategies.This paper begins by reviewing the concept of empowerment and examining the current research landscape surrounding the discourse paradigm in educational supervision.Subsequently,we conduct a comparative analysis of the“control”and“empowerment”paradigms,highlighting their essential differences.This analysis illuminates the key characteristics of an empowerment-oriented approach to educational supervision,particularly its emphasis on dialogue,collaboration,participation,and,crucially,empowerment itself.Ultimately,this research advocates for a shift in educational supervision towards an empowerment-oriented discourse system.This entails a multi-pronged approach:transforming ingrained beliefs,embracing renewed pedagogical concepts,fostering methodological innovation,and optimizing existing mechanisms and strategies within educational supervision.These changes are proposed to facilitate the more effective alignment of educational supervision with the pursuit of high-quality education. 展开更多
关键词 Educational supervision paradigm shift CONTROL EMPOWERMENT
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Innovative Scientific Discoveries:The Role of Intelligent Computing in the Fifth Paradigm Shift
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作者 Zhiyi Liu 《Journal of Electronic Research and Application》 2024年第5期174-178,共5页
This article explores the key role of intelligent computing in driving the paradigm shift of scientific discovery.The article first outlines the five paradigms of scientific discovery,from empirical observation to the... This article explores the key role of intelligent computing in driving the paradigm shift of scientific discovery.The article first outlines the five paradigms of scientific discovery,from empirical observation to theoretical models,then to computational simulation and data intensive science,and finally introduces intelligent computing as the core of the fifth paradigm.Intelligent computing enhances the ability to understand,predict,and automate scientific discoveries of complex systems through technologies such as deep learning and machine learning.The article further analyzes the applications of intelligent computing in fields such as bioinformatics,astronomy,climate science,materials science,and medical image analysis,demonstrating its practical utility in solving scientific problems and promoting knowledge development.Finally,the article predicts that intelligent computing will play a more critical role in future scientific research,promoting interdisciplinary integration,open science,and collaboration,providing new solutions for solving complex problems. 展开更多
关键词 Fifth paradigm General artificial intelligence Intelligent computing
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An In-depth Interpretation of the Universal Declaration of Human Rights With the Common Values of Humanity As the Research Paradigm
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作者 ZHANG Wenxian 《The Journal of Human Rights》 2024年第3期495-508,共14页
Interpreting the Universal Declaration of Human Rights from political,juridical and philosophical perspectives is es-sential for promoting the guiding principles of the Declaration,build-ing consensus on human rights,... Interpreting the Universal Declaration of Human Rights from political,juridical and philosophical perspectives is es-sential for promoting the guiding principles of the Declaration,build-ing consensus on human rights,and advancing human rights practice in the new historical context.To conduct an academic,systematic in-terpretation of the Declaration that conforms to the trends of the times and answers the fundamental questions of the world,it is necessary to find a new research paradigm.The common values of humanity,namely peace,development,equity,justice,democracy and freedom,put forward by Xi Jinping,general secretary of the Communist Party of China(CPC)Central Committee,provide the most explanatory and penetrating scientific paradigm for reaching the issue.This paper an-alyzes and reflects on the views,value foundation and principled(con-tractual)consensus of human rights in the Declaration,and narrates and foresees the far-reaching significance of the three global initia-tives(namely,the Global Development Initiative,the Global Security Initiative,and the Global Civilization Initiative)with the common val-ues of humanity as the soul in advancing the modernization of global human rights governance and building a new form of human rights civilization. 展开更多
关键词 common values of humanity paradigm based on the common values of humanity Universal Declaration of Human Rights views of human rights three global initiatives
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基于mean-variance的服务集群负载均衡方法 被引量:7
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作者 包晓安 魏雪 +2 位作者 陈磊 胡国亨 张娜 《电信科学》 北大核心 2017年第1期1-8,共8页
大量并发请求任务进行分配时,负载调度机制是通过最小化响应时间及最大化节点利用率实现网络中节点的负载均衡,在基于遗传算法的负载均衡算法中,适应度函数设计对服务集群负载均衡效率产生重要的影响。对此提出了一种基于mean-variance... 大量并发请求任务进行分配时,负载调度机制是通过最小化响应时间及最大化节点利用率实现网络中节点的负载均衡,在基于遗传算法的负载均衡算法中,适应度函数设计对服务集群负载均衡效率产生重要的影响。对此提出了一种基于mean-variance的服务集群负载均衡方法对适应度函数进行优化,采用投资组合选择模型mean-variance进行最小化响应时间,以得到每个服务器资源利用率的权重,从而获得最优的分配组合,进而提高适应度函数的准确性和有效性。在不同服务环境下与其他模型进行比较,仿真结果表明,本文的负载均衡算法在节点利用率和响应时间方面使服务集群得到了更好的均衡。 展开更多
关键词 负载均衡 mean-variance模型 遗传算法 负载调度
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MARKOV-MODULATED MEAN-VARIANCE PROBLEM FOR AN INSURER 被引量:2
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作者 王伟 毕俊娜 《Acta Mathematica Scientia》 SCIE CSCD 2011年第3期1051-1061,共11页
In this paper, we consider an insurance company which has the option of investing in a risky asset and a risk-free asset, whose price parameters are driven by a finite state Markov chain. The risk process of the insur... In this paper, we consider an insurance company which has the option of investing in a risky asset and a risk-free asset, whose price parameters are driven by a finite state Markov chain. The risk process of the insurance company is modeled as a diffusion process whose diffusion and drift parameters switch over time according to the same Markov chain. We study the Markov-modulated mean-variance problem for the insurer and derive explicitly the closed form of the efficient strategy and efficient frontier. In the case of no regime switching, we can see that the efficient frontier in our paper coincides with that of [10] when there is no pure jump. 展开更多
关键词 Markov chain mean-variance efficient strategy efficient frontier Lagrange multiplier
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Portfolio Choice under the Mean-Variance Model with Parameter Uncertainty 被引量:1
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作者 何朝林 许倩 《Journal of Donghua University(English Edition)》 EI CAS 2015年第3期498-503,共6页
Assuming the investor is uncertainty-aversion,the multiprior approach is applied to studying the problem of portfolio choice under the uncertainty about the expected return of risky asset based on the mean-variance mo... Assuming the investor is uncertainty-aversion,the multiprior approach is applied to studying the problem of portfolio choice under the uncertainty about the expected return of risky asset based on the mean-variance model. By introducing a set of constraint constants to measure uncertainty degree of the estimated expected return,it built the max-min model of multi-prior portfolio,and utilized the Lagrange method to obtain the closed-form solution of the model,which was compared with the mean-variance model and the minimum-variance model; then,an empirical study was done based on the monthly returns over the period June 2011 to May 2014 of eight kinds of stocks in Shanghai Exchange 50 Index. Results showed,the weight of multi-prior portfolio was a weighted average of the weight of mean-variance portfolio and that of minimumvariance portfolio; the steady of multi-prior portfolio was strengthened compared with the mean-variance portfolio; the performance of multi-prior portfolio was greater than that of minimum-variance portfolio. The study demonstrates that the investor can improve the steady of multi-prior portfolio as well as its performance for some appropriate constraint constants. 展开更多
关键词 portfolio choice mean-variance model parameter uncertainty multi-prior approach constraint constant
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DAO to HANOI via DeSci: AI Paradigm Shifts from AlphaGo to ChatGPT 被引量:16
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作者 Qinghai Miao Wenbo Zheng +3 位作者 Yisheng Lv Min Huang Wenwen Ding Fei-Yue Wang 《IEEE/CAA Journal of Automatica Sinica》 SCIE EI CSCD 2023年第4期877-897,共21页
From AlphaGo to ChatGPT,the field of AI has launched a series of remarkable achievements in recent years.Analyzing,comparing,and summarizing these achievements at the paradigm level is important for future AI innovati... From AlphaGo to ChatGPT,the field of AI has launched a series of remarkable achievements in recent years.Analyzing,comparing,and summarizing these achievements at the paradigm level is important for future AI innovation,but has not received sufficient attention.In this paper,we give an overview and perspective on machine learning paradigms.First,we propose a paradigm taxonomy with three levels and seven dimensions from a knowledge perspective.Accordingly,we give an overview on three basic and twelve extended learning paradigms,such as Ensemble Learning,Transfer Learning,etc.,with figures in unified style.We further analyze three advanced paradigms,i.e.,AlphaGo,AlphaFold and ChatGPT.Second,to enable more efficient and effective scientific discovery,we propose to build a new ecosystem that drives AI paradigm shifts through the decentralized science(DeSci)movement based on decentralized autonomous organization(DAO).To this end,we design the Hanoi framework,which integrates human factors,parallel intelligence based on a combination of artificial systems and the natural world,and the DAO to inspire AI innovations. 展开更多
关键词 ChatGPT decentralized science(DeSci) decentralized autonomous organization(DAO) machine learning paradigm shift
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Mean-Variance Hedging for General Claims in an Incomplete Market: Numeraire Method
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作者 王桂兰 叶中行 《Journal of Shanghai Jiaotong university(Science)》 EI 2003年第2期175-178,共4页
This paper considered the problem of hedging a European call (put) option for a diffusion model where the asset price is influenced by n uncertain factors. The market is thus incomplete implying that perfect hedging i... This paper considered the problem of hedging a European call (put) option for a diffusion model where the asset price is influenced by n uncertain factors. The market is thus incomplete implying that perfect hedging is not possible. To derive a hedging strategy, it follows the approach based on the idea of hedging under a mean-variance criterion suggested by Schweizer. A very simple solution of this hedging problem by using the numeraire method was presented and some examples with explicit solutions were given. 展开更多
关键词 mean-variance hedging incomplete market NUMERAIRE European options
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Bounds for Goal Achieving Probabilities of Mean-Variance Strategies with a No Bankruptcy Constraint
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作者 Alexandre Scott Francois Watier 《Applied Mathematics》 2012年第12期2022-2025,共4页
We establish, through solving semi-infinite programming problems, bounds on the probability of safely reaching a desired level of wealth on a finite horizon, when an investor starts with an optimal mean-variance finan... We establish, through solving semi-infinite programming problems, bounds on the probability of safely reaching a desired level of wealth on a finite horizon, when an investor starts with an optimal mean-variance financial investment strategy under a non-negative wealth restriction. 展开更多
关键词 First Passage-Time mean-variance PORTFOLIOS SEMI-INFINITE Programming
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A Mean-variance Problem in the Constant Elasticity of Variance(CEV) Model
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作者 Hou Ying-li Liu Guo-xin Jiang Chun-lan 《Communications in Mathematical Research》 CSCD 2015年第3期242-252,共11页
In this paper, we focus on a constant elasticity of variance (CEV) modeland want to find its optimal strategies for a mean-variance problem under two constrainedcontrols: reinsurance/new business and investment (n... In this paper, we focus on a constant elasticity of variance (CEV) modeland want to find its optimal strategies for a mean-variance problem under two constrainedcontrols: reinsurance/new business and investment (no-shorting). First, aLagrange multiplier is introduced to simplify the mean-variance problem and thecorresponding Hamilton-Jacobi-Bellman (HJB) equation is established. Via a powertransformation technique and variable change method, the optimal strategies withthe Lagrange multiplier are obtained. Final, based on the Lagrange duality theorem,the optimal strategies and optimal value for the original problem (i.e., the efficientstrategies and efficient frontier) are derived explicitly. 展开更多
关键词 constant elasticity of variance model mean-variance optimal strategy
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Goal Achieving Probabilities of Mean-Variance Strategies in a Market with Regime-Switching Volatility
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作者 René Ferland Franç ois Watier 《Applied Mathematics》 2022年第7期602-611,共10页
In this paper, we establish properties for the switch-when-safe mean-variance strategies in the context of a Black-Scholes market model with stochastic volatility processes driven by a continuous-time Markov chain wit... In this paper, we establish properties for the switch-when-safe mean-variance strategies in the context of a Black-Scholes market model with stochastic volatility processes driven by a continuous-time Markov chain with a finite number of states. More precisely, expressions for the goal-achieving probabilities of the terminal wealth are obtained and numerical comparisons of lower bounds for these probabilities are shown for various market parameters. We conclude with asymptotic results when the Markovian changes in the volatility parameters appear with either higher or lower frequencies. 展开更多
关键词 First Passage Time Probabilities mean-variance Strategy Regime-Switching Model
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William Morris Davis: Father of Geomorphology or Father of Geology’s Unrecognized Paradigm Problem
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作者 Eric Clausen 《Open Journal of Geology》 2023年第6期579-597,共19页
An often unrecognized problem is the geology and glacial history paradigm’s inability to explain topographic map drainage system and erosional landform evidence, which means geology research studies rarely address th... An often unrecognized problem is the geology and glacial history paradigm’s inability to explain topographic map drainage system and erosional landform evidence, which means geology research studies rarely address that type of topographic map evidence. The problem originated in the late 19<sup>th</sup> century with William Morris Davis who is sometimes called the father of geomorphology and was one of the first geologists to interpret what in the late 19<sup>th</sup> century were newly available topographic maps. An 1889 Davis paper describes selected drainage system evidence observed on an advance copy of the 1890 Doylestown (Pennsylvania) topographic map and an 1892 Ward paper written after discussions with Davis describes additional selected drainage system evidence seen on the same map. Both papers fail to mention the majority of the Doylestown map’s drainage system features including most barbed tributaries, asymmetric drainage divides, and through (dry) valleys crossing major drainage divides. Had Davis used all of the map’s drainage system and erosional landform evidence he should have recognized the map evidence shows headward erosion of an east-oriented Neshaminy Creek valley captured southwest-oriented streams which headward erosion of the south-oriented Delaware River valley and its east-oriented tributary Tohickon Creek valley had beheaded. Consciously or unconsciously, Davis chose not to alert future investigators that Doylestown topographic map evidence did not support his yet-to-be-published Pennsylvania and New Jersey erosion history interpretations and instead Davis proceeded to develop and promote erosion history interpretations which the map evidence did not support. 展开更多
关键词 Doylestown Topographic Map Drainage Systems Geology paradigm History of Geology Robert DeCourcy Ward Topographic Map Interpretation
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法治现代化的“共同特征”和“中国特色” 被引量:17
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作者 张文显 《政治与法律》 北大核心 2024年第2期2-15,共14页
“中国式法治现代化”这一概念提出的理论和实践依据在于:中国式法治现代化是中国式现代化的内在组成部分;法治现代化是现代化的核心要素和重要标志;中国式法治现代化是对中国式法治现代化实践的理论表达和学理表征。世界各国法治现代... “中国式法治现代化”这一概念提出的理论和实践依据在于:中国式法治现代化是中国式现代化的内在组成部分;法治现代化是现代化的核心要素和重要标志;中国式法治现代化是对中国式法治现代化实践的理论表达和学理表征。世界各国法治现代化的“共同特征”包括宪法至上、尊重和保障人权、监督和制约公权、维护公平正义、构建社会秩序、促进人类和平、立足本国国情、法治文明互鉴。中国式法治现代化的特色在于坚持中国共产党领导、以人民为中心、全面依法治国、大国法治、赓续中华法治文明、面向全球化。共同特征和中国特色的完美结合构成了法治现代化的中国范式。 展开更多
关键词 法治现代化 法治 共同特征 中国特色 中国范式
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Locomotion Paradigms of Topological Space in Shakespeare’s Double Falsehood
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作者 CHEN Xiao-feng 《Journal of Literature and Art Studies》 2023年第4期248-257,共10页
In the 16th and 17th century,Britain was constantly strained by sporadic plagues,famines,fires and political conflicts.As a response in literature,Shakespeare has constructed an annular locomotion paradigm in Fletcher... In the 16th and 17th century,Britain was constantly strained by sporadic plagues,famines,fires and political conflicts.As a response in literature,Shakespeare has constructed an annular locomotion paradigm in Fletcher and his collaboration work Cardenio.Be more specific,the locomotion routes can be exemplified in Möbius strip,a rhizome system,a reciprocating juxtaposition between the foreground and the background,either of which finally runs to an annular schema.The annular in narration corresponds with The Globe theater and the round world.Shakespeare may express his expectation and prospect for the uprising bourgeoise and the newly found world by the resurrection theme in literature. 展开更多
关键词 locomotion paradigms topological space SHAKESPEARE Cardenio
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基于供需理论的生成式人工智能赋能情报工作范式模型构建与应用研究 被引量:5
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作者 白如江 陈鑫 任前前 《情报理论与实践》 北大核心 2024年第1期75-83,共9页
[目的/意义]当前生成式人工智能的发展对社会产生了强烈冲击。为响应国家创新发展的迫切需求,如何利用生成式人工智能更好地完成情报工作,以满足用户的情报需求,已成为当前情报学领域关注的热点问题。[方法/过程]基于供需理论提出从数... [目的/意义]当前生成式人工智能的发展对社会产生了强烈冲击。为响应国家创新发展的迫切需求,如何利用生成式人工智能更好地完成情报工作,以满足用户的情报需求,已成为当前情报学领域关注的热点问题。[方法/过程]基于供需理论提出从数据供给侧(Supply)、智慧情报分析中台(Analysis)、情报需求侧(Demand)三方构建生成式人工智能赋能情报工作范式模型——SAD范式模型,深入分析生成式人工智能赋能情报工作机理,并结合国际前沿项目案例探讨生成式人工智能与情报工作的前瞻性融合发展。[结果/结论]生成式人工智能赋能情报工作范式模型SAD,可以更好地促进生成式人工智能赋能情报工作的各个环节,提高情报工作效率,为情报工作范式研究提供了新思路。 展开更多
关键词 供需理论 生成式人工智能 情报工作 范式模型
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“双碳”目标下的经济社会系统性变革:特征、要求与路径 被引量:6
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作者 张莹 吉治璇 潘家华 《北京工业大学学报(社会科学版)》 北大核心 2024年第1期101-115,共15页
实现碳达峰碳中和是一场广泛而深刻的经济社会系统性变革,强调单一目标或有限目标调控的研究范式,对碳中和目标下净零碳转型复杂性的理解存在局限性,难以有效反映与应对多重目标、多重约束下社会经济系统性、全局性深刻变革的影响。理... 实现碳达峰碳中和是一场广泛而深刻的经济社会系统性变革,强调单一目标或有限目标调控的研究范式,对碳中和目标下净零碳转型复杂性的理解存在局限性,难以有效反映与应对多重目标、多重约束下社会经济系统性、全局性深刻变革的影响。理解与研判“双碳”目标下经济社会系统性变革的主要特征、具体要求与实现路径,能够提升对“双碳”目标的认识,更好地释放系统性变革带来的红利以及规避所伴随的风险,推动实现“双碳”目标下经济社会的高质量发展,并为全球碳中和理论构建与实践探索作出贡献。 展开更多
关键词 碳达峰 碳中和 系统性变革 净零碳转型 范式转型
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领域法学视野下的数字法问题 被引量:10
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作者 彭诚信 《政法论丛》 北大核心 2024年第1期3-14,共12页
数字法律现象呈现出客体复合性、主体多样性及法律关系多元性特征,决定了传统研究范式转型升级成为数字法学的必然选择。领域法学作为调整交叉领域法现象的研究范式,与数字法问题相吻合。领域法学具体化、立体化以及复合化思维,可与部... 数字法律现象呈现出客体复合性、主体多样性及法律关系多元性特征,决定了传统研究范式转型升级成为数字法学的必然选择。领域法学作为调整交叉领域法现象的研究范式,与数字法问题相吻合。领域法学具体化、立体化以及复合化思维,可与部门法学协同互补;其立体性、自足性和因应性特征可对传统法学研究方法进行吸收和补充。运用领域法学研究范式,可立体化提炼数字法现象,多维度整合数字交叉学科,以达到全方位解决数字法问题的效果。在宏观上,归纳“数字赋权-代码规制-数字正义”的数字治理逻辑;在微观上,演绎数据权利分类确定、数据交易分层规范、算法治理多元共治、权益救济多方协同的数字治理机制,构建完整的数字法学知识体系。 展开更多
关键词 数字法学 领域法学 研究范式 交叉学科
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数字化转型背景下课堂教学范式重构 被引量:3
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作者 李怡明 《中国电化教育》 北大核心 2024年第1期119-124,共6页
课堂教学的数字化转型,是将课堂中的各种教学要素信息化,教学信息资源化,进而促进师生高效利用信息化资源,实现课堂教学育人方式的转变与教学质量的提升。数字化转型将推动课堂教学范式重构。传统课堂是“信息呈现”教学范式,用压抑学... 课堂教学的数字化转型,是将课堂中的各种教学要素信息化,教学信息资源化,进而促进师生高效利用信息化资源,实现课堂教学育人方式的转变与教学质量的提升。数字化转型将推动课堂教学范式重构。传统课堂是“信息呈现”教学范式,用压抑学生学情信息来保障教师教学信息的质量。学情信息是课堂教学数字化转型的生长点,充分发挥其价值,需利用“任务设计”“结构变革”“学习地图”等举措,建构以发现和利用学情为旨趣的“信息引导”教学范式。在数字化的技术赋能下,“信息引导”教学范式将走向“精准教学”,塑造人才培养的全新课堂样态。 展开更多
关键词 数字化转型 教学范式 重构
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元地球与数字孪生:思想突破、技术变革与范式转换 被引量:1
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作者 李三忠 索艳慧 +30 位作者 戴黎明 王亮亮 姜兆霞 曹现志 苏国辉 刘丽军 周建平 李玺瑶 刘洁 朱俊江 乔璐璐 王光增 姜素华 王秀娟 刘琳 管红香 李晓辉 胡军 刘鹏 刘泽 董冬冬 郭玲莉 邹志辉 董昊 钟世华 孙国正 刘洋 于胜尧 吴立新 邹卓延 孙毅 《地学前缘》 EI CAS CSCD 北大核心 2024年第1期46-63,共18页
数字孪生在航天、工业制造领域已应用了20多年,但引入海洋科学还是首次。通过数字孪生技术,实现真实地球与虚拟地球的融合,构建一个真实地球与数字地球的虚实共同体,这里称为“元地球”。本文介绍了元地球与早期提出的数字地球、虚拟地... 数字孪生在航天、工业制造领域已应用了20多年,但引入海洋科学还是首次。通过数字孪生技术,实现真实地球与虚拟地球的融合,构建一个真实地球与数字地球的虚实共同体,这里称为“元地球”。本文介绍了元地球与早期提出的数字地球、虚拟地球、玻璃地球、智慧地球的本质区别,进而突出元地球理念或思想上的巨大突破。基于现今元宇宙BIGANT技术体系,构架跨越地球各圈层的实时、全天候、立体观测感知系统,打通地球系统各圈层动力学模拟隔阂,实现超越现今地球,再现深时地球,实现时空穿越,从而集数字地球、虚拟地球、玻璃地球、智慧地球、现今地球、深时地球的特性于一个共同体,这个深时的虚实共同体就是元地球。这一理念必将催生新的技术范式变革,进而超越现实地球、虚拟地球,开启人类认识地球、探测地球、开发地球的全新方式。在实现研究范式转换的同时,推动元地球的多场景应用,这也必将催生未来的万亿新产业。 展开更多
关键词 元地球 真实地球 虚拟地球 数字地球 数字孪生 地球系统 范式
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