... 安全间距 clearance， safety 进行表示电路 clearing circuit 终话（指示）吊牌 clearing out drop; Ring off drop ...
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The data collections, communications and counter module clearing are realized by controller circuit. The core of the controller circuit is AT89C51 single chip.
单片机控制电路以AT89C51单片机为核心部件，实现了数据采集、通讯及计数模块清零等功能。
It is introduced the geoelectric system, safeguard of its circuit system, trouble clearing and AIDS protection and in order to improve the observation data.
叙述了地电观测系统、外线路的维护、仪器故障的判断与排除，以及辅助设备的维护与保养，以此来提高观测资料的质量。
The invention relates to a clearing device and a clearing method which are suitable for clearing a printing pattern on a circuit board.
本发明涉及一种清除设备和清除方法，适于清除一电路板上的一印刷图案。
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