短語(yǔ)詞組短語(yǔ)zero pattern curve 零格曲線zero difference curve 無(wú)差異曲線zero velocity curve 零速度線zero yield curve 曲線;零收益曲線zero inflow curve 零值入流基線audiometric zero curve 測(cè)聽(tīng)零級(jí)曲線zero -yield curve 零息收益曲線Zero air void curve 零氣隙曲線;空氣孔隙曲線;飽和曲線zero dimensional performance curve [數(shù)]無(wú)因次性能曲線 返回 zero curve