因此，许多科学家认为，哭泣在某种程度上有助于我们处理情感问题。

Many scientists, therefore, believe that crying somehow helps us cope with emotional situations.

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它可用于很多科学计算中的图形显示和各种分析仪器中的自动数据处理。

It is suitable for graphics display in scientific calculations as well as IBM PC controlled instruments for automatic data processing.

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现在我国很多科研院所和检测机构的仪器设备水平和国外相比差异不大，差距是在样品的提取、净化等前处理上。

Sample pretreatment is the critical section in residue determination, it's the key indicator to measure the advancement and practicability of a new determination method.

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