通过在希拉穆仁草原典型地带进行不同材料覆盖的土壤蒸发实验，并以恢复生态学为指导思想，研究了不同材料覆盖对土壤水分的影响。

With restoration ecology as a guide, a soil evaporation experiment was conducted to analyze the effects of different material covers on soil moisture in the typical steppe zone.

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但哪怕穆阿仁乘飞机赶到上海，也得需要大约11个小时。更何况，由于冰岛火山喷发，大部分欧洲机场都已关闭。

But the flight to Shanghai alone would have taken Mouazzen about 11 hours, and besides, most European airports were shut down at the time because of the volcanic ash cloud.

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然而，当回到德国的那一刻起，穆阿仁就开始收到大量电邮，其内容也让他困惑不解。

But when he returned to Germany, Mouazzen began receiving a flood of e-mails that raised serious doubts.

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