英语词汇principal radius of curvature怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	principal radius of curvature
释义	principal radius of curvature 简明释义主曲率半径：指曲线上某一点处的主曲率的倒数。网络释义短语 1 radius of principal curvature 助率半径 ; 数主曲率半径
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