在应用过程中，需在纤维外部加上一层反光曾，然后通过施加电子信号来控制其振动。
This involves covering the fibres with a reflective coating, and then controlling their vibration by applying electrical signals.
光电开关发射的红外信号经反光板反射后由光电开关接收。
The infrared signals of the photoelectric switches are reflected by the reflected plate to be received by the photoelectric switches.
高频调制参考光和被测光信号是通过半透半反光镜照 射到光电传感器上。
The high-frequency modulation reference light and the optical signal to be tested are reflected to the photoelectric sensor by a semi-permeable semi-reflector.
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