必须为导出选择至少一个单元格或字段。

You must choose at least one cell or field to export.

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本文运用实验误差理论，对物理实验中的一种常见情况，推导出选择最佳实验条件的方法。

This paper discussed the problems how to choose the best conditions for a common situation in physics experiments.

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当导出过程时，我们可以选择只导出那些被计划的任务，或者所有任务。

When the process is exported, we have the option of exporting only those tasks which are planned, or all of the tasks.

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