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29.9%Exports of the“new three”of electric vehicles,lithium ion batteries and solar cells amounted to RMB 1.06 trillion(USD 147 billion)in 2023,registering a year-on-year increase of 29.9%,said the General Administration of Customs.

Positive Outlook for 2024

The end of the year 2023 and the beginning of 2024 mark a remarkable phase in China-Africa relations.This relationship has evolved significantly and Africa continues to register key milestones in its economic development,particularly in trade,investment and infrastructure.The remarkable growth can be attributed to initiatives by the Chinese government such as the Belt and Road Initiative(BRI).

An Improved Power Efficient Clock Pulsed D Flip-flop Using Transmission Gate

Recent digital applications will require highly efficient and high-speed gadgets and it is related to the minimum delay and power consumption.The proposed work deals with a low-power clock pulsed data flip-flop(D flip-flop)using a transmission gate.To accomplish a power-efficient pulsed D flip-flop,clock gating is proposed.The gated clock reduces the unnecessary switching of the transistors in the circuit and thus reduces the dynamic power consumption.The clock gating approach is employed by using an AND gate to disrupt the clock input to the circuit as per the control signal called Enable.Due to this process,the clock gets turned off to reduce power consumption when there is no change in the output.The proposed transmission gate-based pulsed D flip-flop’s performance with clock gating and without clock gating circuit is analyzed.The proposed pulsed D flip-flop power consumption is 1.586μw less than the without clock gated flip-flop.Also,the authors have designed a 3-bit serial-in and parallel-out shift register using the proposed D flip-flop and analyzed the performance.Tanner Electronic Design Automation tool is used to simulate all the circuits with 45 nm technology.

基于分布式应用的系统注册服务Register的实现

本文研究的是分布式集成体系结构中的基本系统服务之一注册服务 Register的实现 .介绍了注册服务 Register在分布式集成体系结构中的任务和作用 ,对其内部工作机制和工作流程进行剖析 ,说明了 Register所实现的功能 ,最后对提高 Register性能的几个问题进行了分析 .

从语义学角度看英汉医学词汇的理解与翻译

符号学理论认为语言符号存在三种对应关系——语义关系、语用关系和语形关系。语义关系指的是符号与它所指称的外在事物之间的关系，实质上就是指称关系；语用关系指的是符号与符号使用者之间的关系；语形关系指的是符号与符号之间的关系。对应于这三种关系存在着三类意义...

Graph Clustering Algorithm for RT Level ALU Technology Mapping

Register transfer level mapping (RTLM) algorithm for technology mapping at RT level is presented,which supports current design methodologies using high level design and design reuse.The mapping rules implement a source ALU using target ALU.The source ALUs and the target ALUs are all represented by the general ALUs and the mapping rules are applied in the algorithm.The mapping rules are described in a table fashion.The graph clustering algorithm is a branch and bound algorithm based on the graph formulation of the mapping algorithm.The mapping algorithm suits well mapping of regularly structured data path.Comparisons are made between the experimental results generated by 1 greedy algorithm and graphclustering algorithm,showing the feasibility of presented algorithm.

Moodle功能插件拓展初探

近两年来国内教育界对Moodle开始逐渐认识和尝试使用。通过对Moodle的研究和应用,获取经验和体会,总结出一些实用的方法和插件,介绍了针对英语学习增加语音和视频功能,以及鼓励学生自学的Register(学习时间统计)插件。

一种基于转换存储器的CAM的VHDL实现

文章引入了一种基于Shift Register的CAM的VHDL实现方案,所实现的CAM具有端口可重新配置性、易于升级扩展和快速的匹配查找等特点,并在网络协处理器仿真中得到了应用。

Gender Differences in Non-English Major Graduates＇ English Compositions——A Study Based on the Use of Oral/Written Register Features

This article applies the theories of gender differences in language use, makes a survey of non-English major graduates＇ English writing, and analyzes the gender differences in EFL writing proficiency and particularly in the use of oral/written register features, aiming to provide suggestions for gendered teaching in EFL writing.

An Analysis of the Variation of Euphemism Under Register Theory

The euphemism is a phenomenon of language variation with different language varieties. And this phenomenon is closely related with social context. Register, as a concrete representation of context, especially its tenor of discourse, makes great influence on what kind of euphemism and what level of euphemism people will use to achieve effective communication. Therefore, euphemism as language variation will be analyzed from the perspective of tenor of discourse in Halliday's Register Theory in order to enhance learners' pragmatic awareness and pragmatic competence when learning English euphemism or in daily communication.

The Study of Coherence in a Speech by the ADM of Health Canada

A new leader in a department will face a lot of problems when reorganizing the department. After analyzing an informal speech made by the new leader, it is found that the speech is coherent and the coherence of this speech is achieved by using many cohesive devices and register. For the successful expression of his ideas, the new leader built a cooperative other than command-and-control relationship with his subordinates, which will make the great reorganization in the department successfully done.

巧用注册表提高计算机安全性的方法

介绍了如何利用注册表进行系统的维护。

Blind reconstruction of linear scrambler

An algorithm based on eigenanalysis technique and Walsh-Hadamard transform （WriT） is proposed. The algorithm contains two steps. Firstly, the received sequence is divided into temporal windows, and a covariance matrix is computed. The linear feedback shift register （LFSR） sequence is reconstructed from the first eigenvector of this matrix. Secondly, equations according to the recovered LFSR sequence are constructed, and the Walsh spectrum corresponding to the equations is computed. The feedback polynomial of LFSR is estimated from the Walsh spectrum. The validity of the algorithm is verified by the simulation result. Finally, case studies are presented to illustrate the performance of the blind reconstruction method.

Evolutionary Random Sequence Generators Based on LFSR

Random numbers play a crucial role in modern security schemes. Couple to the rapid development of cryptography, the strength of security protocols and encryption algorithms consumingly relies on the quality of random number. With simple architecture and faster speed, linear feedback shift register often is selected in many applications. However, the random sequence generated by LFSR can not meet the demand of unpredictability for secure mechanism. Genetic algorithm improves the linear property of LFSR and constructs a novel random sequence generator with longer period and complex architecture.

Anomaly Detection of Store Cash Register Data Based on Improved LOF Algorithm

As the cash register system gradually prevailed in shopping malls, detecting the abnormal status of the cash register system has gradually become a hotspot issue. This paper analyzes the transaction data of a shopping mall. When calculating the degree of data difference, the coefficient of variation is used as the attribute weight;the weighted Euclidean distance is used to calculate the degree of difference;and k-means clustering is used to classify different time periods. It applies the LOF algorithm to detect the outlier degree of transaction data at each time period, sets the initial threshold to detect outliers, deletes the outliers, and then performs SAX detection on the data set. If it does not pass the test, then it will gradually expand the outlying domain and repeat the above process to optimize the outlier threshold to improve the sensitivity of detection algorithm and reduce false positives.

ON THE LINEAR COMPLEXITY OF FCSR SEQUENCES

The linear complexity of a new kind of keystream sequences.FCSR sequences,is discussed by use of the properties of cyclotomic polynomials.Based on the results of C.Seo's,an upper bound and a lower bound on the linear complexity of a significant kind of FCSR sequences—l-sequences are presented.

A distributed cross-domain register filefor reconfigurable cryptographic processor

Due to the fact that the register files seriously affect the performance and area of coarse-grained reconfigurable cryptographic processors, an efficient structure of the distributed cross-domain register file is proposed to realize a cryptographic processor with a high performance and a lowarea cost. In order to meet the demands of high performance and high flexibility at a lowarea cost, a union structure with the multi-ports access structure, i, e., a distributed crossdomain register file, is designed by analyzing the algorithm features of different ciphers. Considering different algorithm requirements of the global register files and local register files,the circuit design is realized by adopting different design parameters under TSMC( Taiwan Semiconductor Manufacturing Company) 40 nm CMOS( complementary metal oxide semiconductor) technology and compared with other similar works. The experimental results showthat the proposed distributed cross-domain register structure can effectively improve the performance of the unit area, of which the total performance of block per cycle is improved by17. 79% and performance of block per cycle per area is improved by 117%.

Stability of Nonlinear Feedback Shift Registers with Periodic Input

The stability of Non-Linear Feedback Shift Registers(NFSRs)plays an important role in the cryptographic security.Due to the complexity of nonlinear systems and the lack of efficient algebraic tools,the theorems related to the stability of NFSRs are still not well-developed.In this paper,we view the NFSR with periodic inputs as a Boolean control network.Based on the mathematical tool of semi-tensor product(STP),the Boolean network can be mapped into an algebraic form.Through these basic theories,we analyze the state space of non-autonomous NFSRs,and discuss the stability of an NFSR with periodic inputs of limited length or unlimited length.The simulation results are provided to prove the efficiency of the model.Based on these works,we can provide a method to analyze the stability of the NFSR with periodic input,including limited length and unlimited length.By this,we can efficiently reduce the computational complexity,and its efficiency is demonstrated by applying the theorem in simulations dealing with the stability of a non-autonomous NFSR.

An efficient method for parallel CRC automatic generation

The State Transition Equation (STE) based method to automatically generate the parallel CRC circuits for any generator polynomial or required amount of parallelism is presented. The parallel CRC circuit so generated is partially optimized before being fed to synthesis tools and works properly in our LAN transceiv-er. Compared with the cascading method, the proposed method gives better timing results and significantly re-duces the synthesis time, in particular.

A reconfigurable computing architecture for 5G communication

5G baseband signal processing places greater real-time and reliability requirements on hardware.Based on the architecture of the MaPU,a reconfigurable computing architecture is proposed according to the characteristics of the 5G baseband signal processing.A dedicated instruction set for 5G baseband signal processing is proposed.The corresponding functional units are designed for reuse of hardware resources.A redirected register file is proposed to address latency and power consumption issues in internetwork.A two-dimensional code compression scheme is proposed for cases in which the use ratio of instruction memory is low.The access mode of the data memory is extended,the performance is improved and the power consumption is reduced.The throughput of 5G baseband processing algorithm is one to two orders of magnitude higher than that of the TMS320C6670 with less power consumption.The silicon area evaluated by layout is 5.8 mm2,which is 1/6 of the MaPU’s.The average power consumption is 0.7 W,which is 1/5 of the MaPU’s.