Reference checking tool is an important tool for science workers and also an important source for them to obtain scientific information.

文献检索工具是科技人员研究活动的重要文献调研工具，是获取科技信息的重要来源。

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You hear from your references that the employer has called them. Reference-checking is time-consuming so I dont start it unless im interested in a candidate.

从你的推荐人那里听说雇主曾给他们打过电话。向推荐人核实情况十分费时，所以如果我对一位面试者不感兴趣是不会去做的。

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