Article 24 Frontier inspection offices shall have the power to stop aliens belonging to any of the following categories from leaving the country and to deal with them according to law.

第二十四条有下列情形之一的外国人，边防检查机关有权阻止出境，并依法处理。

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On the frontier of new technology in security and law enforcement is the study of biometrics.

安全和执法技术的最尖端领域就是计量生物学所研究的对象。

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Though Mattie is a stickler for the law, she's not averse to frontier justice if that's required to avenge her dad.

虽然马蒂是个严守法律的人，她为了帮父亲复仇不怕触碰司法底线。

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Law is the last frontier for the five.

ECONOMIST: Strength in numbers

The website Chilling Effects, a collaboration between a number of US law schools and the Electronic Frontier Foundation, publishes the notices, and is still visible via Google Search.

BBC: Film studios request removal of takedown notices

But in November 2006, Jennifer Granick, a cyber-law attorney at the Electronic Frontier Foundation, won an exemption that makes it legal for users to break such locks to enable use of their phones on competing wireless networks.

FORBES: Unlocked iPhones For All