fly-back hand的意思|示意

Since the system doesn’t have to calculate the relative positions of the fingers, palm and back of the hand on the fly, it can be extremely quick, claim the researchers.

研究人员声称，由于系统不需要对舞动中的手指、手掌和手背位置进行计算，因此处理的速度会极其迅速。

Tomorrow I will fly back to UK with my trophy, as it's glass made, and it's quite fragile, but as hand luggage it's quite heavy, you see I start worry about unnecessary things!

明天我将飞回英国，因为冠军奖杯是玻璃制作的，非常容易易碎，但是如果是随身携带的话又太重了，你看看我现在是冠军了，却在担心一些小事情。