本文以黑龙江伊春市乌伊岭地区白垩世美丰组火山岩为研究对象。

This dissertation is object on the volcanic rock of Cretaceous Meifeng formation in Wuyiling area of Yichun city in Heilongjiang.

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他表示，在去年的调查中，462位美世公司客户中，有30%称他们采用的是短期外派任务。

In a survey last year, some 30% of some 462 Mercer clients said they were using shorter term assignments, he says.

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但美世也承认，生活质量的高的城市未必就是最激动人心的城市。

Still, Mercer acknowledges that cities with a high quality of life are not necessarily the most exciting.

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