This works for setting an object to being a simple color, but to make an object look realistic, you need to specify how an object appears under lights.

对于简单的为对象上色来说这样就行了，但要想让对象看起来更真实，你需要指定对象在光照下的效果。

youdao

Holladay, meanwhile, turns collision detection on its head to funnel an object into place, such as balancing a delicate object with a free arm before setting that object down.

ENGADGET: MIT algorithms teach robot arms to think outside of the box (video)

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