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。
2
The extensive application of unmanned aerial vehicles, industrial robots, service robots and artificial intelligent robots has promoted the transformation and upgrading of industries.
无人机、工业机器人、服务机器人、人工智能机器人的广泛应用,推动了产业的转型升级。
3
And it says atmospheric satellites could also provide high-resolution aerial images for its Google Earth service.