大雨均匀地落在你的财产，但不多孔材料将渠道水到其他地区。

Heavy rain falls evenly across your property, but non-porous materials will channel water to other areas.

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而关于自支持多孔交替沉积膜的报道还为数不多。

There is few report about free-standing nano-porous membranes.

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And I want to make sure everybody figured out that it really was an irreversible expansion.

或者多孔塞的,不可逆的等焓过程。

麻省理工公开课 - 热力学与动力学课程节选