The extra security personnel will be used mostly to escort aid convoys and secure a number of supply routes overland.

增派的安全力量将主要负责保卫救援物资的运送，保障几条陆地运输通道畅通。

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A similar incident last year in which two Pakistani troops were killed led to the closure of one of Nato's supply routes for ten days.

去年，两名巴基斯坦士兵在类似事件中被杀导致北约的一条补给线路中断十天。

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However, in recent years the alliance has opened up alternative supply routes through Central Asia, reducing its reliance on the route through Pakistan.

不过，最近几年盟军已经拥有了经过中亚的其它补给路线，降低对经巴基斯坦线路的依赖。

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Government forces have been doing better over recent weeks, recapturing territory and re-opening key supply routes.

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Britain has struggled to maintain two long supply routes, dividing scarce helicopters, engineers and medics.

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Defense Secretary Panetta, who opposed apologizing, welcomed Pakistan's decision to reopen the supply routes.

WSJ: U.S. Apologizes to Pakistan, Says Supply Routes to Reopen