1.【数】(产生线,面,体的)母点,母线,母面
1.an element such as a point or line that is used in the production of a geometric figure such as a curve or surface
1.A Study of the Improved Design of Turbine Guide Vanes by Using Different Circumferential Curved Generatrices
透平导叶应用不同周向弯曲母线改进设计的研究