The paper puts forward a new method to measure series battery voltage, mechanical relay is replaced by photoelectric relay to select each battery voltage.
提出一种串联电池组电压测量新方法：光电继电器取代机械继电器选通各节电池电压；
On the basis of the relevant theory of colorimetry, a test system is designed for object color appearance measurement and its color-difference evaluation using photoelectric integrating method.
本课题在相关色度学理论的基础上，设计了一种采用光电积分型测量方法对物体表面颜色外貌进行测量并对其予以色差评价的检测系统。
The photoelectric characteristics of conducting polymer MEH - PPV film were studied using contact potential difference ( CPD ) method.
用接触电位差（ CPD ） 方法研究了导电聚合物MEH -PPV薄膜的光电特性。
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