imaginary part的用法和样例：

例句

Since the imaginary parts cancel the result is the sum of the dampings.由于虚数部分抵消了，故其总和就是总阻尼。
The imaginary part of the optical potential has a certain effect on the calculated cross sections for the larger scattering angular region.折叠模型光学势的虚部对小射角区影响很小，但对大射角区的截面计算有一定的影响。

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