请问,空间一维单连通怎么理解?为什么环面所围成的区域是空间二维单连通,但不是空间一维单连通? 知乎 Template




You need a modern browser try chrome, to view this.

Background image: Hide Show

View Larger Image Image Credit: zhihu.com






Try and sketch some of theseManiac, Margarita, Backpack, Snow, Sponge, Steam shovel, Royalty, Tennis racket, Spyglass, Spool, view more ideas


please wait, the page is loading...

More Sketches

Take a peek at some of the sketches created by our users, are you a sketchite?

anonymous
anonymous
sketch #5264


anonymous
anonymous
sketch #600


anonymous
anonymous
sketch #4907


anonymous
anonymous
sketch #3510 Edward from FMA by Raman Chauhan


anonymous
anonymous
sketch #5173 Super Meat Boy by Zorka Edding Giustinianovic


anonymous
anonymous
sketch #5047 Pikachu and Raichu by Saiful Farizam


anonymous
anonymous
sketch #68512


anonymous
anonymous
sketch #4087 Stewie by Leon Soria Ricardo


anonymous
anonymous
sketch #5171


anonymous
anonymous
sketch #5339


anonymous
anonymous
sketch #3259


anonymous
anonymous
sketch #5213


anonymous
anonymous
sketch #978


Rachel Roe
sketch #25 Suzzy the stegosaurus


Gabriela Segura
sketch #2740 Monster by Gabriela Segura


anonymous
anonymous
sketch #5087


anonymous
anonymous
sketch #4688


anonymous
anonymous
sketch #5272


anonymous
anonymous
sketch #314 Butterfly


anonymous
anonymous
sketch #2982 Lion by Ati Gohary


anonymous
anonymous
sketch #5314


Helyryn
sketch #297 Fish


anonymous
anonymous
sketch #389


anonymous
anonymous
sketch #2926 Power Puff Girls by Sylvie Rieux


anonymous
anonymous
sketch #5013 Pursuing Dreams by Mário JBudo


anonymous
anonymous
sketch #3375


anonymous
anonymous
sketch #3127 Hulk George Lucaz


anonymous
anonymous
sketch #20690

tomski请问,空间一维单连通怎么理解?为什么环面所围成的区域是空间二维单连通,但不是空间一维单连通? 知乎 coloring