In rough set theory, the concept of roughness of knowledge is defined by equivalence relation and setinclusion.
在该理论中,知识粗糙性是通过等价关系和集包含定义的。
2
Some geometric data of ellipse in hyperbolic space are considered, such as setinclusion, arc length, geodesic curvature, curvature, area and total curvature.
在双曲空间中,考察椭圆的包含关系,对弧长元素、测地曲率、曲率、面积及全曲率等几何量做出细致考察。
3
Another characteristic that can set memorandums apart from letters is the inclusion of humor.