形状因数

configuration factor的用法和样例：

例句

A cylindrical and conical composite horn is designed theoretically to improve its shape coefficient, increase its amplification factor and so on.摘要为了改善变幅杆的形状因数，增加放大系数，用解析法设计了一种圆锥过渡复合变幅杆，计算了它的动力学参数。

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疯狂英语2002年

CNN 2011-05-31

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CNN2011年(五)月

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听英文对话做选择

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英语万花筒

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实用英语

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英语单词荟萃

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实用英语

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经典英文歌曲

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经典英文歌曲

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TED演讲教育篇

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地道英语在线听

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流行英文歌曲

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学英语单词

anterior ethmoidal artery

aqueous two phase system