Unmanned flight is the future of domestic aviation.

无人飞行是国内飞行的未来趋势。

I think it has applications for unmanned space flight.

我觉得它足以应无人" 驾" 驶太空飞行上。

An unmanned military test glider did it in 2011.

这麽多数字，为什麽我只说两个? 难道我只是要省时间吗?

He is a big supporter of using unmanned aircraft.

而且他是使无人驾驶飞机的一个强有力的支持者。

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

有两种无人机允许于民途。

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

无人飞机的试飞将持续4个半小时。

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。

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。

As many as 10 drones, unmanned aircraft hit oil plants in Saudi Arabia.

有多达10个无人机，无人操纵飞行器袭击了沙特阿拉伯的原油设施。

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

印度于2008年球轨道上部署了无人航天器。

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。

Elon Musk's Space X aims to send an unmanned aircraft to Mars by 2018.

Elon Musk的太空X计划2018年发射一个无人飞行器到火星。

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

1977年，两个无人驾驶飞船作为“航行者”号任务的一部分发射。

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。

This means they were sent from unmanned subsea vehicles that were operated on land.

也就是说它们先是由无人潜艇发射，后由陆地上的人操作完成的。

That's when the European Space Agency launched an unmanned spacecraft named Rosetta.

当时, 欧洲太空总署发射了名为罗塞塔的无人飞船。

The unmanned rocket blasted off from Wallops Island, Virginia after a series of delays.

这枚无人火箭经过多天延迟后终于弗吉尼亚州的瓦勒普斯岛升空。

An unmanned vehicle found a creature, but not the one it was looking for.

一辆无人驾驶汽车探测到一个生物，但不是原本计划要搜寻的目标。

Over the years, explorers have sent other unmanned vehicles into parts of the ship.

多年来，探险者已经将其他无人驾驶飞行器送入飞船的部分区域。

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飞机后，两国关系依然紧张。