... 操作方式选择开关Selecting switch for types of operation 控制电源开关Switch for control supply 主令开关Master switch (controller) ...
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isolating switch for control supply 控制电源隔离开关
Train track occupancy recognition is to determine if the train is passing over a switch and to supply reliable information for train positioning system and train control system.
列车轨道占用识别目的是在平行的多轨道区域识别列车所占用的轨道信息，为列车定位子系统或控制系统提供可靠的信息。
To satisfy demand for uninterrupted power supply, the developing scheme of double power switch controller taking M68HC908SR12 controller as main control chip was introduced.
针对不间断供电的需求，介绍了一种以m 68hc 908sr12单片机为主控芯片的双电源转换控制器的研制方案。
GTO dc chopper is adopted for the main power supply while the switch mode control with derivative feedback loop is adopted for the main controller.
主电源采用GTO直流斩波器。主控采用带微分反馈环节的开关斩控模式。
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