path connected set造句
例句與造句
- However the closure of a path connected set need not be path connected : for instance, the topologist's sine curve is the closure of the open subset " U " consisting of all points " ( x, y ) " with " x > 0 ", and " U ", being homeomorphic to an interval on the real line, is certainly path connected.
- It's difficult to find path connected set in a sentence. 用path connected set造句挺難的