group operation

the result integration algorithm mainly processes result sets in respects of connection operation, group operation and nested query; connection operation sorts the result sets using the technology of preprocessing, group operation grounds on balanced tree, nested query utilizes hash mapping and iterator.

结果整合算法主要对结果集进行连接操作、分组操作及嵌套查询；连接操作使用预处理技术对结果集进行排序，分组操作基于平衡树进行，嵌套查询利用Hash映射和迭代器完成。

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FIPS 186-2 adopted the ECC standard recommended by National Institute of standards and Technology ( NIST) in 2000.We focus on the NIST ECC and its algorithms, including the optimistic algorithms, elliptic curve group operation and improvement and implementation of ECC over binary field.

在2000年，FIPS186-2采纳了由美国国家标准与技术研究所推荐的椭圆曲线加密体制标准。

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Group Operation ─ an Efficient Approach to Fostering the Core Competition for China's Securities Business

构建我国证券公司核心竞争力的有效途径&集团化经营

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starting from the point of view of fostering stockjobber's core competition, this paper puts forward some countermeasures for fostering core competition by way of group operation

从证券公司如何培育核心竞争能力的角度出发，提出了通过集团化经营提高核心竞争力的对策

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This paper also studies typical cases of popular science periodical branding and group operation.

研究了科普期刊品牌运营和刊群经营的典型案例.

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Based on the left-invariance property of the kinematic model of the wheeled mobile robots with respect to the standard group operation of SE ( 2), smooth exponential stabilizing control laws are proposed for the corresponding error system;

充分利用轮式移动机器人运动学模型对标准SE（2）群运算的左不变性，对相应的误差系统设计出光滑指数镇定控制律，实现运动学子系统的实际镇定；

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one hand, a train group operation simulation system can supply scientific decision-makings for train operation organization and regulation.

因此，建立一个列车群运行仿真系统，一方面是为行车组织、运营调整等提供科学的决策支持；

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Intelligent Hybrid Model Research for the Simulation of High-speed Train Group Operation Progress

面向高速列车群运行过程仿真的智能混杂模型研究

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Appraisal Bloc Model, Group Operation for Super Appraisal Project

超大型资产评估项目集群运作的评估团模式

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