在电路板的设计中采用光电耦合器件、铁氧体磁珠、旁路电容滤波等方式减小了噪声。
At last of design, use optocoupler device, ferrite beads and bypass capacitor to reduce system noise.
用光电容积描记器检测误差信号，用电螺管作为液压机构的推动器。
The error signal is detected by the transmittance photoelectric plethysmograph. An electromagnetic solenoid is adopted for use as the hydraulic actuator.
关于谷物流量在线测量的研究方法，有光电、冲量法、核辐射及电容传感器等。
Many methods of measuring grain flow on combines are presented in the literature, such as volumetric method, impact sensor, radiometric method and capacitor sensor, etc.
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