In order to eliminate the effect of other factors on measurement precision, the double light sources, double light paths and double cells are used in this system.
为了消除被测气体以外的其它随机因素的影响，在设计过程中采用了双光源、双光路、双气室结构。
In order to eliminate the effect of other factors on measurement precision, the double light sources, double light paths and double cells are used in this system.
为了消除被测气体以外的其它随机因素的影响，在设计过程中采用了双光源、双光路、双气室结构。
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