preda meaning in English

普雷达
普雷贾
普蕾达

Liu and wu ( ref . 26 ) presented sufficient conditions and proposed three dual models for the generalized fractional programming problem with - pseudoinvexity and - quasi - invexity in ref . 26 . preda ( ref . 27 ) introduced generalized ( f , ) - convexity , an extension of f - convexity and generalized - convexiry ( ref . 28 - 29 ) , relative results are also given for multiobjective programming problems
而preda在文献[ 27 ]中，又引入了推广的( f ， )一凸性，它是f ?凸性和推广的?凸性(见文献[ 28 - 29 ]的结合和延伸) ，同时给出了一些相关结果。