同时还推导了热空腔—喷气流组合辐射的光谱辐射强度的表达式。

Then a spectral radiation intensity expression was also derived for the thermal cavity-plume combination radiation.

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结果表明：该测量方法能够有效地获得排气系统的中红外光谱辐射强度，具有工程实用价值。

The results show that Mid-IR spectral radiant intensity of exhaust system could be measured effectively by this method, thus offering a high value of engineering practicability.

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软X线稀有气体电离室作为软X线波段绝对探测器，是通过测量光电离子流得出光谱辐射强度。

The technique of soft X-ray ion chamber includes the measurement of the ion current as a function of rare gas pressure in the ion chamber.

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