derivationn.派生;推导;来历衍生物;导数.
derivation and history词源与历史
derivational morphology派生形态学
derivation action factor微商作用因数
derivational roof caving诱导崩落
derivation of word sense词义派生
derivation of value added增值的由来
derivation of phraseology语词探源
derivation chromatography衍生气相色谱法
derivation of word-forms构形法
derivations of Lie algebras李代数的导子