A fast lock is acquired immediately, with no waiting.

快锁是立即被请求的，没有等待。

youdao

While all of the lock acquisitions will be uncontended and therefore fast, the compiler can actually eliminate the synchronization entirely using lock elision.

虽然所有锁的获得都是非竞争的，所以很快，但是编译器实际上可以用锁省略把同步完全清除掉。

youdao

Each laser has an integral radar to help it lock automatically on to the small, fast vessels usually used by Somali pirates.

每个激光发射器都有一套完整的雷达以便自动锁定象索马里海盗经常使用的小型快艇。

youdao

Hoyos' software grabs many partial images and assembles them, allowing the system to process cases perhaps 20 times as fast and lock on a moving target.

FORBES: Magazine Article

Users can lock-on to fast moving subjects throughout the frame using 3D tracking to create sharp images of fast action, or use one of the other modes including single point AF, Dynamic AF and Auto-Area AF.

ENGADGET: Nikon D5200 to reach US photographers in late January for $900

From the sidelines of the soccer field to bird-watching on a riverboat, engage AF Tracking technology to lock focus on your fast-moving subjects and keep them in focus, even while they move in and out of the frame.

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