二维空间的封闭是圆,三维空间的封闭是球,四维空间的封闭是什么? 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 theseAdz, Gourd, Atlatl, Microscope, Pancakes, Genius, Zenith, Shelves, You self portrait, Diggers, 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 #2901 Smurf by Ronny Alexander Nikolaevich


anonymous
anonymous
sketch #1972 Boogaloo @Memphis


anonymous
anonymous
sketch #2937 Spongebob by Kalana Namikaze


anonymous
anonymous
sketch #5002 Jimi Hendrix by Piter Olimpo


anonymous
anonymous
sketch #3217


anonymous
anonymous
sketch #3727 Stitch by Louis Tradieu


anonymous
anonymous
sketch #2919 Winnie the Pooh by Greet Kros-Lolkus


anonymous
anonymous
sketch #3822


anonymous
anonymous
sketch #5121


anonymous
anonymous
sketch #3857


anonymous
anonymous
sketch #5135 &#;Hypno Colorfull&#; by Lars Tunebo


anonymous
anonymous
sketch #5172 Cheshire Cat by Juan Garcia


anonymous
anonymous
sketch #978


anonymous
anonymous
sketch #5204


anonymous
anonymous
sketch #3517 Scratch from Ice Age by VlAd Craciun


anonymous
anonymous
sketch #3088 Billy from Saw by Naulian Ciko


anonymous
anonymous
sketch #2453 Koi Fish


anonymous
anonymous
sketch #4053


anonymous
anonymous
sketch #5260


anonymous
anonymous
sketch #3138 Papa Smurf by Courtney Spragg


anonymous
anonymous
sketch #5258 Adventure Time by Kheith Ryan Lubiano


anonymous
anonymous
sketch #2022


anonymous
anonymous
sketch #280


anonymous
anonymous
sketch #3431 Jimi Hendrix by Konvicted Rohit


anonymous
anonymous
sketch #704


anonymous
anonymous
sketch #3753


anonymous
anonymous
sketch #389

tomski二维空间的封闭是圆,三维空间的封闭是球,四维空间的封闭是什么? 知乎 coloring