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安南黎朝使臣在中国的活动与管待——兼谈明清封建朝贡制度给官民带来的负担 被引量:3
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作者 陈文 《东南亚纵横》 CSSCI 2011年第5期78-84,共7页
明清封建王朝与安南黎朝保持较密切的宗藩关系,安南黎朝使臣出使中国明清王朝肩负各种使命,明清对黎朝使臣按规格管待,双方基本维持友好关系。但是明清尤其是明朝为保持华夷等级关系和"万国来朝"的虚荣,造成国库损耗、百姓烦... 明清封建王朝与安南黎朝保持较密切的宗藩关系,安南黎朝使臣出使中国明清王朝肩负各种使命,明清对黎朝使臣按规格管待,双方基本维持友好关系。但是明清尤其是明朝为保持华夷等级关系和"万国来朝"的虚荣,造成国库损耗、百姓烦劳也是值得深思的。 展开更多
关键词 安南黎朝使臣 朝贡 管待 负担
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OPTIMAL FLOW CONTROL PROBLEM IN AIR TRAFFIC CONTROL:PARTⅠ
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作者 Hu Minghua Xu Xiaohao 《Transactions of Nanjing University of Aeronautics and Astronautics》 EI 1996年第1期15-20,共6页
The fundamental case is considered in which flights from many destinations must be scheduled for arrival at a single congested airport having limited capacities.An air traffic control(ATC)model is developed in this ca... The fundamental case is considered in which flights from many destinations must be scheduled for arrival at a single congested airport having limited capacities.An air traffic control(ATC)model is developed in this case.A new and efficient algorithm for the optimal solution of ground holding strategy problem(GHSP)is put forward and verified by a numerical example. 展开更多
关键词 air traffic control optimal control MODELING ground holding flow management
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Using Pipeline Instructions by Parallel Simulation of Mathematical Models
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作者 Peter Kvasnica Igor Kvasnica 《Journal of Mathematics and System Science》 2012年第9期552-557,共6页
Simulation is an important and useful technique helping users understand and model real life systems. Once built, the models can run proving realistic results. This supports making decisions on a more logical and scie... Simulation is an important and useful technique helping users understand and model real life systems. Once built, the models can run proving realistic results. This supports making decisions on a more logical and scientific basis. The paper introduces method of simulation, and describes various types of its application. The authors used the method of analysis of the creation and implementation of the programme code. The authors compared parallel instruction of computing defined to pipelined instructions. The power of simulation is that a common model can be used to design a large variety of systems. An important aspect of the simulation method is that a simulation model is designed to be repeated in actual computer systems, especially in multicore processors. For this reason, it is important to minimize average waiting time for fetch and decode stage instructions. The objective of the research is to prove that the parallel operation of programme code is faster than sequential operation code on the multi processor architecture. The system modeling uses methods and simulation on the parallel computer systems is very precise. The time benefit gained in simulation of mathematical model on the pipeline processor is higher than the one in simulation of mathematical model on the multi processors computer system. 展开更多
关键词 Decentralization mathematical model in state space simulation parallel programme code multicore processors pipelineinstruction processing.
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