variationaladj.变化的；变化性的；因变化而产生的variationn.变种；变奏曲；变动；变化variational geometry变分几何variation management变化的管理variation in project工程变更variational approach变分的方法variation of library图书馆变化variational property变分特性variational solution变分解variational formulas变分方程variational problems变分问题variation with trees株内变异