The new type DC solid state relay is a kind of new contactless switching device, with the new type IGBT and power field effect tube as the core and composed completely by solid state electron devices.
新型直流固态继电器是一种以新型器件IGBT以及功率场效应管为核心的，全部由固态电子器件组成的新型无触点开关器件。
Card readers of contactless integrated card are the pivotal device in application systems of contactless IC.
非接触式IC卡读卡器是非接触式IC卡应用系统的关键设备之一。
Invent and construct an optical device that USES a laser pointer and allows contactless determination of thickness, refractive index, and other properties of a glass sheet.
请利用一个激光笔发明并制造一个做的光学仪器，使其可以不接触地测量一个玻璃片的厚度、折射率以及其他属性。
Laser anti-collision device is a contactless crane travelling limiter.
激光防撞装置是一种无触点运行限位装置。
Laser anti-collision device is a contactless crane travelling limiter.
激光防撞装置是一种无触点运行限位装置。
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