The structure of the EOS system is designed, including opto-mechanical delay line (OMDL), embodiment of electro-optic modulator, and lock-in detection module.
设计电光采样系统整体结构，设计光机械延迟线结构、电光采样结构、光电转换及微电流放大电路、锁相检测模块；
Time relay is a use of electromagnetic principle or mechanical theory to realize delay control control electric appliance.
时间继电器是一种利用电磁原理或机械原理实现延时控制的控制电器。
Before one of my treatments, a schedule delay caused by a mechanical problem left me and another patient sitting together in the waiting room.
有一天在医院时，因为机器故障而延后治疗时间，我和另一位病患一起坐在候诊室里等待。
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