The transaction that a locked resource is associated with is said to hold or own the lock.

我们称与被锁定的资源关联的事务持有或拥有该锁。

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One common problem is a deadlock (a "deadly embrace"), in which programs get stuck waiting for each other to release a locked resource.

死锁（“抱死，deadly embrace”）是常见的问题，在这种情形下，程序会因等待对方释放被加锁的资源而无法继续运行。

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Mode: Specifies the type of access allowed for the lock owner as well as the type of access permitted for concurrent users of the locked data resource.

方式：指定了锁的拥有者所允许的访问类型，以及对锁定数据资源的并发用户许可的访问类型。

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