“perpendicular”的概念、定义、翻译、参考文献-科学参考

单词	perpendicular
释义	perpendicular [¦pǝr·pǝn¦dik·yǝ·lǝr] ^MATHEMATICS Geometric objects are perpendicular if they intersect in an angle of 90°.
随便看	downdip down-Doppler downdraft downdraft carburetor down-feed system downflow downhand welding downhole drill downhole equipment down-lead downlink down-load down lock down milling down quark downrange downrush Downs cell downslope time downspout Down's process Down's syndrome downstream downthrow downtime

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