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	alkalinuria alkalious alkaliphile alkaliphilia alkaliphilus metalliredigens alkali poisoning alkali reserve alkali reserve, alkaline reserve alkali resistant fiber glass alkalis alkalisable alkalis, alkalies alkali salts alkalise alkalised alkaliser alkalises alkali silica reaction alkali-silica reaction alkalising alkali soil alkali soils alkali soluble emulsion alkali spreading value alkali-sulfite-anthraquinone-ethanol

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