请问,有人能帮解答下本底一词的概念么,该如何理解。比如如何正确理解自然生态系统的本底功能? 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 theseWaiter waitress, Crew cut, Steam engine, Bard, Fat guy, Solitaire, Sheep, Bathing suit, Gizmo, Chicken chook, 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?

Rachel Roe
sketch #113


anonymous
anonymous
sketch #2939 Eye by Kimmy Kitty Perry Priemus


anonymous
anonymous
sketch #5054 Angelina Jolie by Hailey So Pretty


Helyryn
sketch #297 Fish


anonymous
anonymous
sketch #4313


sketchmaster
sketch #2608 Beauty and the Beast by sketchmaster


anonymous
anonymous
sketch #3036 Wiz Khalifa by Malyi Link


anonymous
anonymous
sketch #4984 Zombie by London Waterlilly


anonymous
anonymous
sketch #1993


anonymous
anonymous
sketch #4682 Elvis Presley by Nassim Nouri


anonymous
anonymous
sketch #2423


anonymous
anonymous
sketch #5069 Mad Hatter by Ahmed Mostafa


anonymous
anonymous
sketch #895


anonymous
anonymous
sketch #5189


anonymous
anonymous
sketch #5116 Bleach by Vrushali Rane


anonymous
anonymous
sketch #5221


sketchmaster
sketch #2486 Face by sketchmaster


anonymous
anonymous
sketch #3327 Megaman by Abdelwahab Haik


anonymous
anonymous
sketch #4368


anonymous
anonymous
sketch #5155


anonymous
anonymous
sketch #5224


anonymous
anonymous
sketch #3264 Lisa by Shaban Khan


anonymous
anonymous
sketch #1220


anonymous
anonymous
sketch #5127 Captain America by Mark Phillips


anonymous
anonymous
sketch #2577


anonymous
anonymous
sketch #5347


anonymous
anonymous
sketch #3488 cats


anonymous
anonymous
sketch #5351


Nemo Archt
sketch #4134 1 min sketch


anonymous
anonymous
sketch #3818 เดียวจะวาดใหม่ยังไม่เสร็จๆ

tomski请问,有人能帮解答下本底一词的概念么,该如何理解。比如如何正确理解自然生态系统的本底功能? 知乎 coloring