It was pointed out that it is very important for electric control system designer to understand the concrete working principle and technological flow of air conditioning automation design.

并指出在空调自动化设计中，了解具体场合空调工作原理及工艺流程对电气控制系统设计师来说是非常重要的。

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Based on the principle and technology of digital electro-optical measurement, the intelligent integrated switchgear system and control as well as protection combined automation system are discussed.

讨论数字光电量测系统原理和技术，基于此技术的智能集成开关设备系统和控制与保护集成的自动化系统结构。

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The design of hardware and software for the automation of wood drying technology, system function as well as control principle are introduced.

介绍了利用计算机实现木材干燥工艺自动化的软、硬件设计、系统功能、控制原理等。

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