The influence of the array chamber, carrier gas flux and sample temperature on the performance of the system was discussed in the identification of different brands of cigarettes.

在卷烟鉴别问题中详细研究了测试气室、载气流量、样本温度等实验条件对系统的识别性能的影响；

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Operation parameters were examined when the discontinuous and continuous sample introduction systems with carrier gas N2 and continuous sample introduction system with carrier gas CO2 were used.

考察了当采用N2为载气蠕动泵断续、连续进样和发生CO2为载气连续进样时，各实验参数的影响及方法的分析性能。

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The key point of this system lies in the development of the pretreatment apparatus of sample gas, which features the combination of sampling, dedusting and filtering.

该分析系统的重点和难点在于开发了取样和净化一体化的样气预处理装置。

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