射影几何认为所有无穷远点共线是定义吗?如果是定义,为什么要这样定义�? 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 theseBackpack, Sculpture, Bicycle, Sugarcane, Skis, French horn, Complex, Notebook, Pumpkin, Curlers, 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?

Gaurav Patel
sketch #2691


anonymous
anonymous
sketch #5229


anonymous
anonymous
sketch #1477 123 viva l 'algerie


anonymous
anonymous
sketch #4273


anonymous
anonymous
sketch #5262


anonymous
anonymous
sketch #3699 Dragon by Ana Cecilia


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


anonymous
anonymous
sketch #5220


anonymous
anonymous
sketch #5368


anonymous
anonymous
sketch #3157 umpa lumpa


anonymous
anonymous
sketch #5047 Pikachu and Raichu by Saiful Farizam


anonymous
anonymous
sketch #2337


anonymous
anonymous
sketch #3476 Happy valentines day! Simona Honigmelone


anonymous
anonymous
sketch #4349 Cícero Николай Герасимов


anonymous
anonymous
sketch #3688


anonymous
anonymous
sketch #2901 Smurf by Ronny Alexander Nikolaevich


anonymous
anonymous
sketch #3244 Winnie the Pooh by Ashok Kumar Chaturvedi


anonymous
anonymous
sketch #4091 Irie


anonymous
anonymous
sketch #280


anonymous
anonymous
sketch #4708 Katekyo Hitman Reborn by Mário JBudo


anonymous
anonymous
sketch #1170


Raisa Mahmud
sketch #2058


anonymous
anonymous
sketch #5263


anonymous
anonymous
sketch #4874 Milla Jovovich by Kimmy Kitty Perry Priemus


anonymous
anonymous
sketch #3736 Why so serious? by Taï Marsan


anonymous
anonymous
sketch #3974 Bird Skerch w/ vibration


anonymous
anonymous
sketch #5434


anonymous
anonymous
sketch #3575 Stitch by Laura Gutierrez Hinojosa


anonymous
anonymous
sketch #1138

tomski射影几何认为所有无穷远点共线是定义吗?如果是定义,为什么要这样定义�? 知乎 coloring