以下为句子列表：
英文: Abstract: The randomness of the single channel measurement of smoke transmissivity is decrecsed by the multichannel measuring technique.
中文: 文摘:多通道烟幕透过率测试技术，克服了单通道动态烟幕透过率测试随机性大的弊端。
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英文: The possibility of using infrared camera in heat transfer experiments was discussed and the various influential factors was analysed, such as the radiation ratio of materials, roughness of surface and the transmissivity of special materials for infrared r
中文: 摘要探讨了将红外成像仪用于传热实验的可能性，分析了几种影响因素：如被测实验件的材料、表面粗糙度，以及用于内流传热实验时需使用的能透过红外线的特殊材料的透射率等对实验结果的影响。
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