The input and output mathematical model of DIGA (Dispersive Infrared Gas Analyzer) system with pyroelectric detector was established according to the design principle of DIGA.

在分光型红外气体分析器（DIGA）设计原理基础上，建立了基于热释电探测器的红外气体分析系统输入输出数学模型。

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Last time I looked, the petition (which names Oxygen Media and production entities Electus and DiGa Vision) had about 13, 500 signatures and was gaining by the minute.

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