怎么证明圆锥曲线的光学特性? 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 theseSlingshot, Desert, Rodeo, Flood, Kangaroo, Chamber pot, Tight wire, Gift, Mountain range, Pantry, 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 #2862 Grumpy Cat


sketchmaster
sketch #2460 Zayn Malik of One Direction by sketchmaster


anonymous
anonymous
sketch #5192


anonymous
anonymous
sketch #5313 Katy Perry by Monalisa Theresia


anonymous
anonymous
sketch #4953 Bird by Ervin Haxhija


anonymous
anonymous
sketch #2178


anonymous
anonymous
sketch #3708


sketchmaster
sketch #2624 Pikachu by sketchmaster


anonymous
anonymous
sketch #5343


anonymous
anonymous
sketch #5181


anonymous
anonymous
sketch #5160 Marilyn Monroe by Muhammet Karadoğan


sketchmaster
sketch #2616 Green Day by sketchmaster


anonymous
anonymous
sketch #5138 Monster by Leonie Cooper


anonymous
anonymous
sketch #4885


anonymous
anonymous
sketch #2574


anonymous
anonymous
sketch #5190 That Night by Nînâ Yämâhä


anonymous
anonymous
sketch #3217


anonymous
anonymous
sketch #4649


Tom Kelly
sketch #666


anonymous
anonymous
sketch #2117


anonymous
anonymous
sketch #4319


anonymous
anonymous
sketch #1114 fire flame camping bonfire


anonymous
anonymous
sketch #3197 Dragon by Yuryi Zambrano


Lucy Barnard
sketch #249 Rocket


anonymous
anonymous
sketch #542 life


anonymous
anonymous
sketch #654


Na Ruro
sketch #2797 Homer by Na Ruro

tomski怎么证明圆锥曲线的光学特性? 知乎 coloring