Confirm the general structure of function, technical framework and the modularization of system with the analysis of the request for the new city zone.
通过分析城市新区需求，确定了城市新区网络综合服务系统的总体功能结构、技术架构和系统模块划分。
This paper introduced the type, structure, function, and theory of the new tight-lock coupler applying to city track traffic.
介绍了新型城轨用密接式车钩的型式、结构、功能和原理，论述了强度、运动学分析、制造工艺等关键技术研究和试验情况。
This paper introduces the structure, function of parts control circuit and operation of electrical control device on city passenger car dual fuel system.
介绍城市客车双燃料供给系统电气控制装置的组成、各部件的功能、控制电路和操作要领。
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