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Vertical Cavity Surface Emitting Laser(垂直腔面发射激光器 ... 模拟式开关虽然操作困难,但具有设计灵活性高的优点,而数字式开关则设计灵活性有限,但具有操作简单的优点。 3.反射式光电传感器在开关用途之外的众多应用方向 反射式光电传感器的应用并不仅仅 ...
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The 105 districts have planned about 3 million square meters of commercial office facilities (planning), Xinghaihui commercial complex (under construction), five-star Hilton Hotel (planning), Culture ...
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