For each state, there can be an action associated with state entry and exit.

对于每个状态，可以有一个与状态进入及退出相关联的操作。

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Meanwhile,the Pakistani army has blocked all entry and exit routes out of South Waziristan, where officials believe Mehsud's fighters are based.

VOA: standard.2009.10.03

So, literally earlier today when I was on my way to campus I emerged from the Harvard Subway Station and I was about to exit the station up the stairs when I noticed this older woman who was standing by one of these things.

今天早些时候，在我从哈佛地铁站,到学校的路上,我即将走出地铁站，上楼梯时,我注意到一个老太太站在,这样的东西旁边。

哈佛公开课 - 计算机科学课程节选

I look back there and I'm just seeing that sign that says 'exit'.

我回顾过去，只看到了某事物存在的标志。

耶鲁公开课 - 文学理论导论课程节选

So he had advised readers to ride the wave of euphoria and exit Inmet now.

FORBES: Selling Inmet for 63% gain

The Ministry of Education is responsible for providing the programme entry and exit tests.

UNESCO: Country Profile: Brazil

More traders could opt to collect profits on the run-up and exit long positions, some said.

FORBES: Average Base Metals Prices Expected To Fare Better In Coming Quarters; Gains Seen As 'Moderate'