部分采伐partialderivatives: 偏導(dǎo)數(shù)partialcorrelationcoefficient: 偏相關(guān)系數(shù)partialdiallelmating: 部分雙列交配設(shè)計partialcorrelation: 偏相關(guān)partialdifferentialequation: 偏微分方程下載手機詞典可隨時隨地查詞查翻譯