百度_狄少华吧_又续 ... principle of duality 对偶原 principle of exchange 交换原 ,替换公 principle of excluded middle 排中原 ...
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The composition, major function, operating principle and design idea of SF6 environment monitoring system for high-tension switch house were introduced.
介绍了高压开关配电室SF 6环境监测系统的组成、主要功能、工作原理及设计思想。
The composition, working principle and hardware and software design of intelligent building environment monitoring system were introduced.
介绍了智能建筑环境监测系统的构成、工作原理及软硬件设计。
This paper introduces the structure and the principle of the equipment ang the application in the indoor environment monitoring in hospital.
本文介绍了该设备的结构、原理及在医院室内环境监测中的应用。
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