短語(yǔ)詞組短語(yǔ)derivation conduit 引水道derivation block 微分單元derivation step 推導(dǎo)步theoretical derivation 理論推導(dǎo)leftmost derivation 最左推導(dǎo);[計(jì)]最左派生;最左耑導(dǎo)出式;最左導(dǎo)出Derivation proceeding 溯源訴訟程序;溯源程序;派生程序characteristic derivation 特陣導(dǎo)derivation key 衍生金鈅 返回 derivation