Objective To understand the effects of various decoration materials and furniture on indoors air quality.

目的了解不同装修条件的居室内空气质量。

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Objective to investigate the indoors air formaldehyde pollution in the human anatomy laboratory and its effects on students health.

目的研究医学院校解剖室内空气中甲醛污染状况及其对学生健康的影响。

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This article analyses the reasons of the indoors air pollution production and brings up the pollution mainly consists of formaldehyde, benzene series, ammonia and radon.

文章通过对室内空气污染物成因的分析，指出目前室内空气主要污染物为甲醛、苯系物、氨和氡。

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People move indoors, the air is colder, and there is a lot less sunlight.

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As a culture, Americans spend 90 percent of our time indoors, and in the majority of cases the air quality inside is far worse than it is outside.

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He ventured out for some fresh air after police lifted their order to stay indoors.

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