不变量 [词典] invariant; invariable; [例句]提出了一种新的基于凸壳和仿射不变量的图像识别和配准的方法。Abstract An improved image recognition and registration algorithm based on convex hull and affine invariant was presented.
做(n)时:variablen.变量;可变情况;可变因素 variable quantity变量(数) 例句:如果摈弃了种族的概念,那么能使用其他什么变量呢?So what other variables could be used if the racial concept is thrown out?