Based on photoelectric detecting principles, an advanced smoke concentration automatic measuring system with computer and photoactive sensor has been developed.
根据光电检测原理，并结合计算机研制出一种先进的烟尘浓度测定系统。
Based on photoelectric detecting principles, an advanced smoke concentration automatic measuring system with computer and photoactive sensor has been developed.
根据光电检测原理，并结合计算机研制出一种先进的烟尘浓度测定系统。
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