In the context of social transition, social identity of the migrants is turning passive to active.

在社会转型背景下，流动农民社会认同正由被动性向主动性转变。

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The way for defining the instantaneous release and the continuous release, and the criteria for determining the passive phase of the transition of the heavy gas are put forward.

提供了确定瞬时泄漏和连续泄漏的方法，以及判定重气扩散时转变为中性阶段的准则。

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If he did not have other passive income those losses would have been suspended after the first few years of transition into the new regime of the Internal Revenue Code of 1986.

FORBES: The Tax Shelter from Hell - U.S. Steel Tower in Pittsburgh