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1·While spin locks are CPU-intensive and appear inefficient, they can be more efficient than suspending the thread and subsequently waking it up if the lock in question is held for a very short time.

虽然旋转锁是cpu密集型的，显得效率低下，但是如果争夺的锁被持有的时间非常短，那么旋转锁要比暂挂线程然后再唤醒它更有效率。

2·If Page's plan isn't to keep the patents and valuable technology and quickly cut the rest, expect pressure for a spin-off to build up momentum over time.

如果佩奇的如意算盘不是仅仅保留专利和宝贵的技术，同时迅速切除其他业务的话，他将面临压力，分拆手机制造业务，待其累积优势，重创辉煌。

3·Several folks I worked with at the time had expressed an interest in learning more about Rails and so I decided to spin up a nice group project to give us all the chance to work and learn together.

与此同时团队的其他同事也想更多地学习Rails，所以我决定组建一个新团队来一起学习和工作。

4·As the heli pulls out the the dive the head will spin up very fast. So fast you will have quite a lot of hovering time.

飞机从俯冲状态拉起时机头会很快上升，会得到很多的悬停时间。

5·That will allow the Earth's spin to catch up with atomic time.

那意味着偶尔有年份会稍稍长一些，来让自转减缓的地球赶上恒速计时器。