He used the plane to make aerial surveys of the Kalahari's wildlife, and he and Delia conducted close observation of the social life of hyenas, learning about their surprisingly communal behavior.

他驾驶这架飞机对卡拉·哈里的野生动物进行空中飞行调查，同时他和迪丽娅还对鬣狗的群体生活进行了近距离观察以便了解它们令人惊奇的集群行为。

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First entering service in the 1980s, the twin-engine fighter plane was the U.S. 's first strike fighter - an aircraft capable of attacking both ground and aerial targets.

在上世纪八十年代开始服役，这是美国的第一个双引擎攻击战斗机，它即能攻击地上目标也能攻击空中目标。

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In the image above, you can see the aerial map applied to the ground plane.

在上面的图片中，我们可以看到航拍地图应用到地面层的情况。

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By acquiring Grumman, it got into the big JointStars aerial surveillance plane contract.

ECONOMIST: America's defence companies are turning dual-purpose

The key moment, though, was when a US spy plane snapped aerial images of one of the launch sites.

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No one - including Pembrokeshire National Park - realised the community existed until it was spotted by a plane doing an aerial survey about four years ago.

BBC: Demolition for 'lost tribe' eco house