英语词汇“principal directions”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-现代词典

单词	principal directions
释义	principal directions principal directions [′prin·sə·pəl di′rek·shənz] (mathematics) For a point on a surface, the directions in which the normal curvature attains its absolute maximum and absolute minimum values. The directions of the principal axes of a strain.
随便看	your tongue hangs out your tongue hung out your tongue is hanging out your true color your true colors your true colours your true stripes your trump card your tuppence your tuppence worth your turn your turnkey internet business your two cent's worth your two cents worth your two cents' worth your two cent worth your twopence your twopence worth your two pennies your two pennies worth your two penn'orth you rule your venus turned out a whelp your venus turns out a whelp your very own mark-up language

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