短語詞組短語envelope of curve 曲線包絡(luò)envelope surface curve 包絡(luò)曲麪envelope cost curve [會計]包絡(luò)成本線' ; failure envelope ; curve 裂斷包絡(luò)曲線envelope curve forecasting 包絡(luò)曲線預(yù)測法dynamic envelope curve 動態(tài)包絡(luò)線current s envelope curve 電流包絡(luò)線critical envelope curve 臨界包絡(luò)曲線 返回 envelope curve