selection core

Based on the theory of profit model and characters of the chain convenience store, we can sum up four core elements of its profit model: Target customers, shop location selection, Logistics and distribution systems, and information system. 2.

基于赢利模式的理论，根据连锁便利店的业态特点，总结概括出其赢利模式的核心构成要素包括四个要素：目标顾客、选择店址、物流配送系统和信息化系统。

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It describes the selection of the reactor protection variables, core control and monitoring by the reactor control system and the measures to improve the plant availability. It also introduces the process for development of key instrumentation in China in detail.

具体介绍了反应堆保护系统保护变量的选取、反应堆控制系统对堆芯的控制和监测以及提高核电厂可利用率的设计，并着重介绍了重要仪表控制设备的国产化研制过程。

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Selection of main parameters of the core memory and compensation of its temperature property

磁芯存贮器主要参数选择及温度补偿

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On this basis, describes the tasks of the dynamic star map display system, which can be as a core component for realizing stellar database query, navigation satellite selection, coordinate transformation, data transmission and the star map display updating.

在此基础上，阐述了动态星图显示系统的工作任务，即此系统是动态星模拟器中实现星表检索，导航星选取，坐标变换，信息传输和星图实时刷新显示的核心部件之一。

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Construction of ecological environment with picturesque scenery in mountainous areas is the core task and strategic selection for China toward the 21 century of ecological environment.

建设山川秀美的生态环境，是面向生态文明的21世纪中国林业的核心任务和战略选择。

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This paper presents TN grounding of LV power distribution network. It also discusses the colour code of PE wire in 5-core power cables, calculation of the thickness of outer sheath and selection of conductor size of PE wire.

介绍了低压配电网TN接地型式，并对五芯电力电缆PE绝缘线芯颜色标志、外护套标称厚度的计算及PE线导体截面积选择进行了讨论。

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The core idea of improved OLSR routing protocol is adding evaluation model on the link quality change form the physical layer and the sent data size form the transport layer to the MPR ( Multipoint Relays) selection and route selection algorithm which is called Dijkstra.

改进的OLSR路由协议核心思想是在多点中继MPR（Multipoint Relays）选取法以及路由选路算法中，加入了对物理层链路质量变化以及传输层待发数据量的评估模型。

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The results showed that parameters Index of Diversity(ⅰ), Variance of Phenotypic Frequency ( VPF), Variance of Phenotypic Value ( VPV) and Coefficient of Variation ( CV) are more effective on evaluating different methods for core collection selection among 8 studied parameters.

结果表明，在所选8个参数中，多样性指数、表型方差、表型频率方差及变异系数为对比不同核心种质取样方法间优劣的有效参数；

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The core algorithm is the generation and selection based on integer linear programming ( ILP ).

该系统的核心算法是基于整数规划的“生成与选择”方法.

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According to running characteristic of tape transveyer of four mine vehicle, it introduces selection of sizing and type of joint, illustrates construction process and technical requirement of wire cable core-heavy tape curing joint, which has guiding meaning for production.

针对四台矿装车系统胶带输送机的运行特点，介绍了胶料的选择以及接头的形式，对钢绳芯强力胶带硫化接头的施工工艺与技术要求进行阐述，对生产有一定的指导意义。

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