在1992年由EPA 发表的报告强调了健康的危险，尤其来自于侧流烟。

A report published in 1992 by the US Environmental Protection Agency(EPA) emphasized the health dangers , especially from side-stream smoke.

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同时，还对卷烟侧流烟气的捕集原则、侧流烟气的测试条件选择等进行了讨论。

Meanwhile, the principles of sidestream smoke trapping and the selection of analytical conditions were also discussed.

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二手烟包括“侧流烟”(烟草产品燃烧释放的烟)和“主流烟”(吸烟者呼出的烟)。

Secondhand smoke is the combination of "sidestream" smoke (the smoke given off by a burning tobacco product) and "mainstream" smoke (the smoke exhaled by a smoker).

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