Unmanned aircraft, or drones, offer a less costly way to patrol the seas for possible threats.

无人机提供了一种较低成本的海上巡逻方式以应对可能的威胁。

He is a big supporter of using unmanned aircraft.

而且他是使用无人驾驶飞机的一个强有力的支持者。

This caused the unmanned aircraft to crash into the sea.

这导致无人机坠入黑海。

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。

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。

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。

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

Elon Musk的太空X计划在2018年发射一个无人飞行器到火星。

Russia claims that the unmanned aircraft sort of went out of control, lost altitude and crashed into the sea.

俄罗斯声称，这架无人机失去了控制，失去了高度，坠入海中。

The president has said the unmanned aircraft can be used when responding to an immediate threat to the United States.

总统说无人机可以在应对对美国造成迫切威胁的事件中。

The United States says Iran attacked one of its unmanned drone aircraft in international airspace over the gulf last week.

美国称上周伊朗在海湾国际领空袭击了其一架无人机。

I'm Carl Azuz. Thank you for taking ten minutes for us. Broadly speaking, a drone can be any unmanned aircraft.

我是卡尔·阿祖兹。谢谢你花十分钟收看我们的节目。一般而言，无人机可以是无人驾驶的飞机。

China and Russia are just two of the powers that may soon launch their own fleets of unmanned aircraft against suspected foes.

中国和俄罗斯即将推出自己的无人战斗机群，以打击任何可能的敌人。

This week, the U.S. said it would deploy about 1,000 more troops, along with missiles and manned and unmanned surveillance aircrafts in the area.

本周，美国称将向该地区增派约1000名士兵，以及部署导弹、载人和无人侦察机。

The United States exports unmanned aircraft to only a few of its closest allies.China is now seen as an increasingly reliable and cheap supplier.

美国只向少数亲密盟国出口无人机，中国目前日益被视为可靠和廉价的供应商。

" We're very transparent in our use of the unmanned aircraft. We alert the public every time we use it and where we're using it."

“我们在使用无人机方面十分透明。每次使用无人机，警方都会告知公众使用的时间与地点。”

Mr. Trump said the unmanned aircraft came within a thousand meters after the USS boxer in the Strait of Hormuz threatening the safety of its crew.

特朗普表示，该无人机在霍尔木兹海峡上紧随拳师号两栖攻击舰，距离不到1000米，这威胁了军舰船员的安全。

On Thursday, Mr. Trump insisted that the United States' unmanned surveillance aircraft was flying over international waters when it was taken down by an Iranian missile.

周四，特朗普坚称，美国的无人侦察机是在公海上空被伊朗导弹击落的。

It comes as Russia continues to pummel Ukraine's capital of Kyiv with attacks and amid ongoing concerns about recent unmanned aircraft attacks that have targeted Moscow.

与此同时，俄罗斯继续对乌克兰首都基辅发动袭击，人们对乌克兰最近针对莫斯科的无人机袭击感到担忧。

The university has flown and researched unmanned aircraft systems for years. But now, the research has more meaning.

该大学多年来一直在飞行和研究无人驾驶飞机系统。 但现在，这项研究有了更多的意义。

Turning its attention to unmanned aircraft or drones and satellites to reach the roughly 5 billion who can't get the Internet.

将注意力转向无人驾驶飞机或无人机和卫星，以覆盖大约 50 亿无法上网的人。