Some examine economic and social conditions.

一些人研究经济和社会状况。

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The surrounding natural condition and social conditions.

周围的自然条件和社会条件。

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There are also worrying signs that recent immunization gains are being eroded or even reversed by economic and social conditions.

也有一些令人担忧的迹象，最近的免疫接种收益受到侵蚀，甚至被经济和社会条件逆转。

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And there's a lot of social psychology research as to the conditions in which you have to bring them together.

很多社会心理学研究,研究他们发生接触的环境。

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The project will help improve the environmental, economic and social conditions in the Gonaives region.

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But, since the early 1990s, economic and social conditions have deteriorated, with further job losses planned.

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On the evidence of most European countries, adequate material and social conditions do not always stop people becoming terrorists.

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