The rationality of selection of extremely early air sampling detector for automatic fire alarm system of the high and large open space building is discussed.
论述了高大开放式空间建筑火灾自动报警系统选用极早期空气采样探测器的合理性。
The process gas chromatograph consists of a sampling mechanism, a column and a detector.
过程气相色谱仪由取样机构，柱和检测器组成。
The detector design consists of design and select of optic parts of an apparatus, circuit design, sampling area control and antipollution device design.
探测器的设计有：光学器件的设计和选取、电路的设计、采样区大小控制装置和防污染装置的设计。
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