第二部分描述了本文协同系统设计的若干基础。
The second chapter described some basics of cooperation system design.
当协同系统结构固定时，滤波器的选择就决定了精度提高的幅度。
When the structure of the cooperative system is fixed, the choice for the filters should decide the improvement extent of the accuracy.
协同系统具有动态性和群体性的特点，其权限管理比传统软件系统复杂。
Collaborative system has dynamic and groups characteristics, whose rights management is more complex than the traditional software system.
结合基于SOA的结构模型和业务数据模型，对虚拟学习社区协同系统中的关键业务进行了分析和设计，并给出相应的逻辑模型。
Based on the combination of SOA structural model and business data model, the key business collaborative system of virtual learning community is analyzed, and corresponding design and logical model.
大带宽无线传输有两个实现途径，一是设计频带更宽的单一系统，一是进行不同系统间的协同设计。
The wide band radio transmission may be implemented in two parallel ways: to design a new system with larger bandwidth; to construct a cooperative system based on existing systems.
大带宽无线传输有两个实现途径，一是设计频带更宽的单一系统，一是进行不同系统间的协同设计。
The wide band radio transmission may be implemented in two parallel ways: to design a new system with larger bandwidth; to construct a cooperative system based on existing systems.
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