Warning: file_put_contents(/www/wwwroot/ppbbu/62383.com/cache/85faa5447f7dab68f0da9174e43ec8cb.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/62383.com/index.php on line 55 simply-connected例句_simply-connected英汉例句_simply-connected双解例句_流逝汉英词典
In this example, the surface is not simply connected and any smoothed-out object looks like a torus with at least one hole. 在这个例子里，圈饼表面就是非单连通的，并且这类物体的简化就会像是至少有一个洞的曲面。