When I first began animating with a computer, I was used to hand-drawn animation and thought a keyframe in one medium was the same as the other.
当我最初开始用电脑做动画的时候，我习惯了手绘动画，考虑一个关键帧在一个中间位置与另一个位置相同。
2
It says many small and medium-sized components can be turned from computer designs into production-quality metal parts in hours or days, against days or weeks using traditional processes.