词汇	unbutton a coat
释义	unbutton a coat 解开外衣穿戴
随便看	bi-level hybrid genetic algorithm bilevel image bilevel-image bi-level image Bilevel inkjet printing bilevel integer programming bilevel inventory optimization bilevel leader-follower decision bi-levelled distribution network bilevel linear fractional programming Bilevel linear program bilevel linear programming bi-level mathema tieal programming model bi-level model bilevel multiobjective optimization bilevel multiobjective programming bilevel multi-objective programming bi-level multiple objective programming bilevel nonlinear programming bi-level nonlinear programming bilevel operation bilevel optimization bi-level optimization model bi-level parallel computation model bi-level planning