二次曲线有完整的分类,那三次四次曲线是否有分类定理或者相关研究? 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 theseKilt, Swimmer, Mush, Sunrise, Fishing net, Crab, Bag lady, Spy, Christmas tree, Mountaineer, 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 #5149 Daenerys Targaryen by Jorge Valero


Rachel Roe
sketch #673 Peachy mouse


anonymous
anonymous
sketch #4749 Random Girl by Adellachamp Stand


anonymous
anonymous
sketch #5078 Naruto by Shimun Yeyo Ahmed


anonymous
anonymous
sketch #2965 Flapjack by Farzin Hedayatzadeh


anonymous
anonymous
sketch #5203 Alien vs. Predator Ani Chachua


anonymous
anonymous
sketch #5222 Magic Art Tin Sheek


anonymous
anonymous
sketch #4953 Bird by Ervin Haxhija


anonymous
anonymous
sketch #5044


anonymous
anonymous
sketch #1226 the man


anonymous
anonymous
sketch #3857


anonymous
anonymous
sketch #1255 something


anonymous
anonymous
sketch #839


anonymous
anonymous
sketch #5275


anonymous
anonymous
sketch #3000


anonymous
anonymous
sketch #5226


Raisa Mahmud
sketch #2058


anonymous
anonymous
sketch #4520


Melissa Cogo
sketch #734 ytsfsfsdhgdhgf


anonymous
anonymous
sketch #5139 Sick Sick Six Urs Stefan


anonymous
anonymous
sketch #4511 Yao Ming by Betty Marie Melzer


anonymous
anonymous
sketch #303


anonymous
anonymous
sketch #3359 &#;In love and lonely&#; by Irul Ventura


anonymous
anonymous
sketch #3950


anonymous
anonymous
sketch #5212 Katy Perry by Shahid Khokhar


anonymous
anonymous
sketch #5137 Happy Halloween! by Guillaume Ballieu


anonymous
anonymous
sketch #4975 Orange by Marcos Roberto Molina

tomski二次曲线有完整的分类,那三次四次曲线是否有分类定理或者相关研究? 知乎 coloring