There is a tight security cordon around the area.

这一地区周围设有严密的安全警戒圈。

youdao

The French French Nuclear Safety Authority said a security cordon was set up around the Marcoule plant as a precaution.

法国核安全管理局表示，目前已经在马尔·库尔核电站周围建立了安全警戒线作为预防措施。

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A more extensive security cordon involving paramilitary troops is planned for Monday's rally in the capital.

VOA: standard.2009.03.13

They insist they will overcome the security cordon and converge on Islamabad's downtown.

VOA: standard.2009.03.14

And it may still be impossible to ignore what happens outside the security cordon.

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He crossed the security cordon placed around his house and attempted to walk to the Supreme Court.

WSJ: Pakistani Judge Gains Clout

According to the police, Friday morning's shoot-out happened when members of the clan opened fire as security forces were tightening a security cordon around the village.

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