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

单词	principal normal
释义	principal normal principal normal [′prin·sə·pəl ′nȯr·məl] (mathematics) The line perpendicular to a space curve at some point which also lies in the osculating plane at that point.
随便看	pac-d pacd pacdaa pacdc pacdex pacdigs pacdiv pacdl pacdp pace pace4 pace about paceapp pace around pace around some place pace around somewhere paceb pace back and forth pace back and forth some place pace back and forth somewhere pace bowler pace-brantley hall school pacec pace car pace cars

英语词典包含2567994条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。