The research had great effort both to the defense of Chinas northwest frontier then and to later research.

这次研究对当时西北边疆的保卫及对后来的研究都有很大的影响。

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At the Northwest frontier defence system of the Qing Dynasty, the Altai region had an extremely important strategic position.

在清代西北边防体系中，阿尔泰地区具有极为重要的战略地位。

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The men were Pashtuns from Charsadda, in the northwest frontier region close to Afghanistan, and moved to Abbottabad seven years ago.

这些人是七年前从一个靠近阿富汗的西北边境的的贾尔瑟达搬到这里来的普什图族人。

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"I welcome President Zadari's determination to confront militants who have been challenging the authority of the democratically elected government in the northwest frontier province,"

VOA: standard.2009.06.17

Dozens of Chechens have trained in Pakistan's northwest frontier of Waziristan, but most have returned to Russia to fight.

NPR: Russia's Chechnya Has Seen Decades Of War, Terror

That has contributed to the lack of U.S. influence in Pakistan during the Taliban's recent advances in the Northwest Frontier.

CNN: Obama faces test on Afghanistan, Pakistan

Javid Sultan was the top commander in the garrison city of Kohat in Pakistan's northwest frontier province near the Afghanistan border, the military said.

CNN: Pakistani army 'copter crash kills 8