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

而且他是使用驶一个强有力支持者。

2.Unmanned flight is the future of domestic aviation.

行是国内行未来趋势。

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

我觉得它足以应用在" " 驶太空行上。

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

这将是世界上首次驶样本返回。

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

这导坠入黑海。

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

MQ-9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、装甲车和系统。

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

现在有两种允许用于民用用途。

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

试将持续4个半小时。

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

美国航空航天局（NASA）成功发射火星探测器。

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

“进步号”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.

半个小时内，车完成了 80 公里巡检任务。

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

1977年，两个驶船作为“航行者”号任务一部分发射。

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

今天，一艘船要到达火星，需要将近一年时间。

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

1977年，两艘驶船作为“旅行者”号任务一部分发射。

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.

伊朗击落美国一架驶军用后，两国关系依然紧张。

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

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。