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 theseGiraffe, Hikers, Ribbons, Bathing suit, Wheat, Love letter, Fishhook, Mush, Outhouse, Zipper, 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?

Tom Kelly
sketch #215 my mickey mouse


anonymous
anonymous
sketch #3192 Snake by Isaias Valenzuela Chaver


anonymous
anonymous
sketch #1899 blue


anonymous
anonymous
sketch #2554


anonymous
anonymous
sketch #1079


anonymous
anonymous
sketch #1833 Head shot - abz


sketchmaster
sketch #2616 Green Day by sketchmaster


anonymous
anonymous
sketch #1131 nərgiz


anonymous
anonymous
sketch #5157


anonymous
anonymous
sketch #3670 Bugs Bunny by Jessica Column


sketchmaster
sketch #2618


anonymous
anonymous
sketch #5204


anonymous
anonymous
sketch #5361 Emma Watson by Glynis June Williams


anonymous
anonymous
sketch #3535 Mickey by Hakan Usuğ


anonymous
anonymous
sketch #5088


anonymous
anonymous
sketch #5074


anonymous
anonymous
sketch #4695


anonymous
anonymous
sketch #3300


anonymous
anonymous
sketch #4895 Cat by Gaurav Patel


anonymous
anonymous
sketch #649


anonymous
anonymous
sketch #3448 Treba mi bolji "mish " ;)


anonymous
anonymous
sketch #132


anonymous
anonymous
sketch #1519


anonymous
anonymous
sketch #5062


anonymous
anonymous
sketch #4722 Ichigo by Gopal Gopi


anonymous
anonymous
sketch #3716


愛君
sketch #1964 愛鼠繪

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