While a servlet holds a persistent request in a waiting state, that servlet is monopolizing a thread.

当等待状态的servlet持有一个持久性请求时，该servlet会独占一个线程。

youdao

In the infinite loop case above, all threads except main are in a waiting state (on a semaphore, or waiting for some event).

在上述死循环的情况下，所有除主线程之外的线程都处于某种等待状态(等待一个信号量，或等待某个事件)。

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When the switch is closed, the variable pump has no oil supply, the current decline will keep the motor in empty waiting state, thus effectively save energy.

当水开关关闭时变量泵不供油，电流下降使电机处在空载待机状态，这样就有效达到节能。

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She said people are in a state of shock, waiting for something to happen and still fearing aftershocks.

VOA: standard.2010.01.14

But he still has memories of those days. He recalls standing on his grandfather's shoulders in his native state of Hawaii, waiting for the Apollo 11 space capsule to be plucked from the Pacific Ocean and brought to shore.

VOA: standard.2009.07.20

Or are we able to get things going earlier, not wait for that declaration without waiting for the state to be overwhelmed to get ready?

WHITEHOUSE: Press Briefing

This is something that companies can initiate today, without waiting for federal, state or industry regulation.

FORBES: The Epsilon Hack Attack: Time For "SOX For Consumers"?

It offers freshness, youth and the prospect of a soon-to-be-married prince as a head of state in waiting.

BBC: Royal wedding: What next for William after the wedding?