The rebels control the frontier and the surrounding area.

叛乱分子控制了边疆地区。

《牛津词典》

Article 15 Frontier health and quarantine offices shall monitor persons on entry or exit for quarantinable infectious diseases and shall take necessary preventive and control measures.

第十五条国境卫生检疫机关对入境、出境的人员实施传染病监测，并且采取必要的预防、控制措施。

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As frontier of hazard mitigation, it has been applied to health monitoring and vibration control of some important structures with bright prospect.

它是减灾防灾的前沿问题，已在一些重要工程的结构健康监测与控制方面展现出良好的应用前景。

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The tribal territories along the Afghan frontier have never been under government control and large swaths are now ruled by Taliban militants and their allies.

NPR: Series Overview: The Embattled Frontier

While some believe that at least a part of the Pakistani establishment is reluctant to act against militants fighting Indian rule in Kashmir, the reality is that the Pakistan government has little control over hardline Islamic groups largely based in the frontier tribal region along the Afghan border.

BBC: NEWS | South Asia | Analysis: Peace process under threat?

Aligned against the watchmaker are retailers and free-flow-of-information types like the Electronic Frontier Foundation, who say Omega is using a law designed to control creative works to control the U.S. prices of manufactured products.

FORBES: Costco v. Omega Is About Much More Than Cheap Watches