请问如何证明圆锥曲线中双曲线、抛物线、椭圆的光学性质? 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 theseBasket, Peninsula, Timer, Police, Cheeseburger, Mobile, Church, Mosque, Pottery, Butterfly, 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 #5438


anonymous
anonymous
sketch #4279 Winnie the Pooh by Douglas Dalmora


anonymous
anonymous
sketch #4546 Misaki Mei by Wanis Khelifa


sketchmaster
sketch #2624 Pikachu by sketchmaster


anonymous
anonymous
sketch #3039 Anonymous by Gootee Jaroonsit


anonymous
anonymous
sketch #3280 Adventure Time by Alina Danielle


anonymous
anonymous
sketch #4713


anonymous
anonymous
sketch #3489 Panda by Scott Terry


anonymous
anonymous
sketch #649


anonymous
anonymous
sketch #5134


Donara Smbatyan
sketch #1455 donara


anonymous
anonymous
sketch #3753


anonymous
anonymous
sketch #3157 umpa lumpa


anonymous
anonymous
sketch #4232 Tobirama by Kadi Kader


anonymous
anonymous
sketch #2937 Spongebob by Kalana Namikaze


anonymous
anonymous
sketch #4313


anonymous
anonymous
sketch #4086 2lips


anonymous
anonymous
sketch #4446 EDDIE by يآآسر محمد


anonymous
anonymous
sketch #3699 Dragon by Ana Cecilia


anonymous
anonymous
sketch #4053


anonymous
anonymous
sketch #214 bugs bunny


anonymous
anonymous
sketch #5350


anonymous
anonymous
sketch #3383


sketchmaster
sketch #2638 Cliff cool


anonymous
anonymous
sketch #5122


anonymous
anonymous
sketch #5137 Happy Halloween! by Guillaume Ballieu


anonymous
anonymous
sketch #5064


anonymous
anonymous
sketch #4953 Bird by Ervin Haxhija


anonymous
anonymous
sketch #1669

tomski请问如何证明圆锥曲线中双曲线、抛物线、椭圆的光学性质? 知乎 coloring