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Abstract: The operating principle and the use of residual current protective device is introduced,and its selection, installation and limi tation are commented.
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文摘:介绍了剩余电流动作保护器的工作原理及其用途，叙述了剩余电流动作保护器的选型、安装及其局限性。 |
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Abstract: The opinions about whether Zheng He even set foot on the Taiwan Island always vary and people are unable to decide which is right.
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提要：郑和下西洋是否到达我国的台湾岛，历来众说纷纭，莫衷一是。 |
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Abstract: The optical admittance of a single-layer film is derived from the characteristic matrix of the film pile.Based on the single-layer,recurring layer by layer,supercomposing one by one,deriving the equivalent admittance of the film pile and calcula
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文摘:根据膜堆的特征矩阵，求出单层膜的光学导纳，在单层膜的基础上，进行层层递推，叠加起来，求出膜堆的等效导纳，计算振幅反射系数，最后求出整个膜系的反射率、透射率。 |
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Abstract: The optimal design of dwelling house is analyzed and expounded in the aspects of infrastructure, road plan, inner and outer environment as well as the environment of the whole dwelling area, and the regionalism of culture, aiming at creating a c
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文摘:从基础设施的完善程度、路网的规划、住宅内外和整个小区环境(包括硬环境和软环境)以及文化地域性等方面，分析、阐述和探索了居住区的优化设计，旨在创造出怡人的环境，充分体现以人为本的指导思想，使未来住宅真正成为人们向往的归宿. |
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Abstract: The optimal population size for genetic algorithm based on repeated natural number coding is studied.The existence and a lower boundary of the optimal population size are given.These results supply a guide to genetic algorithm operations in solv
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文摘:研究了可重复自然数编码遗传算法的最优群体规模，证明了最优群体规模存在性，并给出了最优群体规模的一个下限值.本文对研究自然数编码遗传算法具有一定的意义. |
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Abstract: The order reduction problem of the system state feedback and output feedback controllers is discussed according to the inclusion princip l e of linear discretetime stochastic systems.Two kinds of conditions,restrictio n and aggregation,are prese
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文摘:根据线性离散随机系统的包含原理［1］，研究了系统的状态反馈和输出反馈控制器的降阶问题.给出了控制器降阶两种类型：聚集和约束.通过一个9阶系统控制器的设计，讨论降阶控制器和全阶控制器的性能. |
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Abstract: The original mineral of Dading Iron Mine was processed by the technique which included pre-classification, dry magnetic separation to discard dirt, magnetic separation of the coarsely ground ore, scondary grinding and secondary magntic separatio
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文摘:采用预先分级、干式磁选抛废、粗磨磁选、粗精矿再磨再磁选的工艺流程处理大顶铁矿原生矿，提高了原矿处理量，降低了磨矿成本，获得铁精矿品位65.54％、铁回收率94.11％的技术指标. |
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Abstract: The oscillation criterion for the solutions of a class of neutral functional differential equations with positive and negative coefficients be investigated, some new sufficient conditions for all solutions of the equations to be oscillatory are
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文摘:研究一类具有正负系数的中立型泛函微分方程的振动性,得到了其解振动的新的充分条件. |
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Abstract: The out-particles of lubricating grease, which are splashed from rolling bearings or linear motion bearings, adhere to liquid crystal manufacturing equipment or hard disks, resulting in damage to product functions or capability.
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文摘:滚动轴承或直线运动轴承中的润滑油脂，可能飞溅出颗粒，粘附在液晶制品或硬盘上，导致设备失效。 |
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Abstract: The outflow through gate controlled multi-opening spillway of Yinhe Reservoir was analyzed.The analysis results were checked by the site observed data.
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文摘:分析了音河水库多孔有闸门控制的溢洪道出流，并用出流的实测资料进行了检验。 |
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Abstract: The output of ESO of ADRC has sufficient information to identify the parameter.If the controlled plant has known part and we use this part to compensate the input of ESO,the estimation precision of ESO can be improved,and the precision of parame
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文摘:自抗扰控制器中扩张状态观测器的输出提供了进行系统参数辨识的足够信息，受控对象若有已知部分，把此部分补偿给扩张状态观测器输入项，能提高扩张状态观测器的逼近精度，从而也能提高其输出值来进行参数辨识的精度. |
