That is, you make sure that only one thread at a time can access a certain data structure by locking and unlocking it.

这就是说，通过线程的锁定和解锁，对于某一数据结构，确保某一时刻只能有一个线程能够访问它。

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As physical database locks are held for a longer time duration than with an optimistic locking strategy, there is more of a chance for performance and throughput being impacted.

同乐观锁定策略相比，物理数据库锁需要持续较长的时间，因此应用程序性能和吞吐量很可能会受到影响。

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There is now a locking mechanism to ensure that only one thread at a time goes through any of the wrapped calls.

现在有一个锁机制来确保每次仅能有一个线程经过任何已包装的调用。

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Its adaptive air suspension, full-time all-wheel drive, locking differentials and extra-low range all combine to make the Range Rover capable of going just about anywhere you'd think to try and drive, and to conquer some slopes you couldn't ascend without a climbing rope.

FORBES: Vehicles Feature

And it is pushing for laws requiring all first-time offenders to have ignition locking devices that prevent cars from starting until breath samples are analyzed.

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This was, he argued, the first time Taft-Hartley had been used when management was locking out workers from the ports.

ECONOMIST: The president and the dockers