1.He is a big supporter of using unmanned aircraft.

他是使用无人驾驶飞机的一强有力的支持者。

2.Unmanned flight is the future of domestic aviation.

无人飞行是国内飞行的未来趋势。

3.I think it has applications for unmanned space flight.

我觉得它足以应用在无人" 驾" 驶太空飞行上。

4.It would be the world's first unmanned sample return.

这将是世界上首次无人驾驶样本返回。

5.This caused the unmanned aircraft to crash into the sea.

这导无人机坠入黑海。

6.The wings of the unmanned MQ-9 are 20 meters wide.

无人机MQ-9的机翼宽20米。

7.The pentagon showed off the world's largest unmanned surface vessel.

五角大楼展示世界上最大无人水面舰艇。

8.That includes things like ammunition, armored vehicles and unmanned aircraft systems.

这包括弹药、装甲车和无人机系统。

9.Two types of unmanned aircraft are now approved for civilian use.

现在有两种无人机允许用于民用用途。

10.The unmanned flight is scheduled to last four and half hours.

无人飞机的试飞将持4小时。

11.A perfect launch for NASA has an unmanned spacecraft goes to Mars.

美国航空航天局（NASA）成功发射火星无人探测器。

12.An unmanned Progress space capsule has docked with the International Space Station.

“进步号”无人太空舱已与国际空间站对接。

13.Within half an hour, the unmanned vehicle completed its 80-kilometer inspection mission.

小时内，无人车完成了 80 公里的巡检任务。

14.Two unmanned spacecrafts were launched as part of the Voyager missions in 1977.

1977年，两无人驾驶飞船作为“航行者”号任务的一部分发射。

15.Today, for an unmanned ship to reach Mars, it takes almost a year.

今天，一艘无人飞船要到达火星，需要将近一年的时间。

16.Two unmanned spacecraft were launched as part of the Voyager missions in 1977.

1977年，两艘无人驾驶飞船作为“旅行者”号任务的一部分发射。

17.India deployed an unmanned spacecraft in an orbit around the moon in 2008.

印度于2008年在月球轨道上部署了无人航天器。

18.Tensions remain high following Iran's downing of an unmanned US military aircraft.

伊朗击落美国一架无人驾驶军用飞机后，两国关系依然紧张。

19.The unmanned rocket blasted off from Cape Canaveral but failed to reach orbit.

无人火箭从卡纳维拉尔角发射升空，但未能到达轨道。

20.On Monday the North flew five unmanned drones in the South's airspace.

周一，朝鲜向韩国领空发射了五架无人机。