Filter rotary device is designed for colorimetric system of double photoelectric detector and temperature-measuring experiment is conducted.
针对双光电探测器比色系统设计了滤光片旋转系统；进行了温度测量实验。
Filter rotary device is designed for colorimetric system of double photoelectric detector and temperature-measuring experiment is conducted.
针对双光电探测器比色系统设计了滤光片旋转系统；进行了温度测量实验。
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