The surgeons would look at the soldier through virtual reality helmets that contain a small screen displaying the image of the wound.

外科医生将通过虚拟现实头盔观察士兵，头盔上有一个显示伤口图像的小屏幕。

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This is a relatively cheap option for the US as the pay of each Afghan soldier is quite small.

这样做负担相对较轻，因为每名阿富汗士兵的薪水都比较低。

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Arghandab river valley, Kandahar province, Afghanistan: an American soldier looks into a small window in the side of a rural building during an operation.

阿富汗坎大哈省阿尔甘达卜河谷：一名美国士兵在一次行动中，向一座乡村建筑物的窗户中望去。

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The military currently has as many as 3, 500 robots in Afghanistan, from small contraptions that a soldier can pitch through a window to bulldozer-size machines that can plow over mine-seeded roads.

WSJ: In the Afghan War, a Little Robot Can Be a Soldier's Best Friend

An ANA soldier kicked it like a small soccer ball down the road a gesture of disgust at this suicide attack.

NPR: Spring a Season of Dread for Troops in Afghanistan

And the rising talent Condola Rashad, as a soldier's wife, turns a small role into a star turn.

WSJ: Review: Tyson sublime in 'The Trip to Bountiful'