类似的机器也曾搭乘美国宇航局的航天飞机在太空中飞行，但无法进行时间足够长的测试来证明它们是否有效。
Similar machines have flown in space aboard NASA's shuttles, but they couldn't be tested for long enough to prove whether they were effective.
机器人技术开始广泛地出现在许多应用领域，从帮助堵住墨西哥石油泄露到非常精细的外科手术，再到阿富汗上空飞行的无人飞机。
Robotics are beginning to appear in a wide range of applications, from helping to plug the Gulf of Mexico oil leak to highly delicate surgery, to drones flying over Afghanistan.
近年来，一连串的机器人航空中队前后起飞，包含飞往伊拉克和阿富汗巡逻的无人飞机，和昆虫大小相近的实验型飞行机器。
SQUADRONS of robotic machines have taken flight in recent years, ranging from unmanned aerial vehicles which patrol in Iraq and Afghanistan to experimental machines not much bigger than insects.
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