transformation in... 的转变transformationn.转型；转化；改造transformation characteristics变换特性transformation and integration变革和一体化transformation of traffic mode交通方式转换transformation of river network河网改造transformation of two equations方程的变换transformation linkage distance转化连锁距离transformational deep structure转换深层结构transformational implementation变换的实现transformation of general force广义力传递Transformation of old buildings旧建筑改造