MIB是网络管理子系统各功能间的公共接口，是实现整个网络的关键。

MIB provides the common interface between all functions and it is the key to implement the whole network management.

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其中重点描述了精定位平台与外部实体之间的主要接口、SLP子系统中的主要功能实体以及关键的数据结构。

This chapter describes the main interfaces with other external entities, the main functional entities of SLP and the key data structures.

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根据功能可以把该系统划分为四个组成部分：用户接口子系统、通信子系统、服务器管理子系统和执行子系统。

The whole system can be divided into four sub-systems, which are user interface sub-system, communication sub-system, server managing sub-system, and distributed and parallel executing sub-system.

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