Firstly, analyzed the makeup and the functions of the system based on researching the operation status with function requirements.
根据极地科学考察的业务现状及功能需求，分析了系统的组成及其功能。
Drainage system is an important makeup of urban infrastructure, which affects remarkably the operation and efficiency of sewage disposal and control system of water pollution.
排水管道系统是城市基础设施的重要组成部分，它的完善程度影响着整个污水处理和水污染控制系统的运行状况和效率。
It has simple makeup and reliable operation and has reached the level of industrial application.
该系统结构简单、运行可靠，具备了工业应用的条件。
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