请问这道圆锥曲线第二问的射影几何背景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 theseBoxes, Ice cream parlor, Moth, Gourd, Teacher, Pillbox, Garters, Chef, Sausages, Farmer, 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 #4916


anonymous
anonymous
sketch #5086 Lion by Z Ionut Ady


Cherie N Patanao
sketch #1043 Deadoo..


anonymous
anonymous
sketch #2477 hhhh


anonymous
anonymous
sketch #649


anonymous
anonymous
sketch #2987


anonymous
anonymous
sketch #3447 Hidan (Akatsuki) by ßeyza Karaca


sketchmaster
sketch #2613


anonymous
anonymous
sketch #4760


anonymous
anonymous
sketch #5232 Avril by Teresa Temacha


anonymous
anonymous
sketch #871 vampire girl anime


anonymous
anonymous
sketch #5087


anonymous
anonymous
sketch #4480 ZOMBIE by Rubel Parvez


Chris Shrimp Lonsdale
sketch #342 Forest scene


anonymous
anonymous
sketch #4704 Slash


anonymous
anonymous
sketch #5203 Alien vs. Predator Ani Chachua


anonymous
anonymous
sketch #5280


anonymous
anonymous
sketch #20344


anonymous
anonymous
sketch #5069 Mad Hatter by Ahmed Mostafa


Raisa Mahmud
sketch #2061


anonymous
anonymous
sketch #5113 Growlithe and Arcanine by Kervinzitho del Piero


anonymous
anonymous
sketch #4903 Naruto & Kurama by Fatér Szilvia


anonymous
anonymous
sketch #3083 Great illustration Ali Hänel


anonymous
anonymous
sketch #4749 Random Girl by Adellachamp Stand


anonymous
anonymous
sketch #5172 Cheshire Cat by Juan Garcia


anonymous
anonymous
sketch #5369 Wolverine by ShopRasta Roots


anonymous
anonymous
sketch #1260


anonymous
anonymous
sketch #2150 batman


Charlie Vo
sketch #2018

tomski请问这道圆锥曲线第二问的射影几何背景是什么? 知乎 coloring