The system includes mechanical design, and optical design, electronic design.
该系统设计包括机械设计、光学设计、电子设计。
In order to meet the requirements of optical, electronic and mechanical performance of semiconductor products, it is necessary to measure thin film stress during the deposition.
为使半导体产品达到所要求的光学、电子和机械性能，必须实时地在沉积过程中直接测量薄膜应力。
TJC contact net measuring apparatus USES supersonic, electronic, optical and mechanical methods to measure the height and pulling_out value of electrical engine contact net.
接触网测量仪采用超声、电子、光学、机械等手段测量电力机车接触网的高度和拉出值。
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