尽管如此，各协会应自2008年1月1日起实施本规定的第三章。
Notwithstanding this, each association shall implement ChapterIII of these regulations from 1 January 2008.
但PM 2.5微粒运动也遵循布朗运动规律，是杂乱无章的，进入微孔的颗粒比理论计算少，纱窗使用时间应比理论计算时间更长。
But the PM2.5 particle obeys Brown motion law is out of order, into the pore particles less than the calculation theory, the use of screens should be longer than the theoretical calculation time.
可是，看到像空气污染、资源减少的问题，一些人提出应减少私家奉的敏章。
But, seeing the problems like air pollution and the reduction of resources, some people appeal for the reduction of private cars.
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