However, a mutex should accompany each condition variable.

不过，每个条件变量都应该伴有一个互斥。

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In some implementations, threads may occasionally wake up without a signal sent to their condition variable.

在有些实现中，线程可能偶尔在没有信号送到条件变量的情况下醒过来。

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A condition variable enables developers to implement a condition in which a thread executes and then blocked.

条件变量让开发者能够实现一个条件，在这个条件下线程执行然后被阻塞。

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Representatives from Powys County Council agreed that the condition of farm houses is variable but stressed that the level of upkeep should be the tenants responsibility.

BBC: Rural development sub-committee