即使只运行一个线程，崩溃版的速度也要快约30%：获取您已占用的锁比获取无人占用的锁要快得多。

Even when run with a single thread, the collapsed version was some 30 percent faster: it is much faster to acquire a lock that you already hold than one that nobody holds.

youdao

电池轻盈且很薄，因而可以铺满整个无人机的机翼而不需要占用额外的空间。

And the cells are lightweight and thin, so they could spread across the wings of an UAV without taking up extra space.

youdao

仅仅是一驾飞越阿富汗上空的全球鹰(Global Hawk)无人驾驶侦察机所占用的卫星带宽就是1991年整个伊拉克战争期间所使用的带宽的数倍。

A single Global Hawk unmanned surveillance aircraft flying over Afghanistan can eat up several times more satellite bandwidth than was used for the whole of the 1991 war against Iraq.

youdao