Nor do UAS have to be rotated in and out of a war zone like manned aircraft.
因为在提供支援时，“无人飞行系统”通常是远离冲突区域的，它们绝不会像有人飞行器那样在战场上飞进飞出。
They remain manned at all times by a trained driver ready to take control as well as by a software expert.
他们保留了汽车一直以来由训练有素司机操作的人工驾驶系统，同时，该车还可以由软件工程师来操纵。
But it is also capable of another trick: the ability to defend itself, like a jet fighter, if it is attacked by another drone or by a manned aircraft.
它也具有另一种技艺：倘若遭到另一架无人机或有人驾驶战机袭击，它能像喷气式战斗飞机那样，实行自卫。
Designed for use in a variety of unmanned and manned aircraft, BACN is a forward-deployed airborne communications relay and network-centric enterprise information server.
BACN被设计用于各种无人和载人飞机，是一种前沿部署空中通信中继站和网络中心企业信息服务器。
Cyrano was dead and buried for a good three centuries before the first manned rockets started to fly.
在第一批载人火箭开始飞行之前，西拉诺已经死了，且已被掩埋了整整三个世纪。
There was an astronaut who peed in his spacesuit before liftoff-- a seemingly inauspicious start to what became the first American manned spaceflight.
曾经有一个宇航员在起飞前尿到了他的宇航服里——这对美国的第一次载人航天飞行来说似乎是一个不祥的开始。
The regimental HQ is a tiny office manned by two retired officers.
该团司令部是个有两个退休军官办公的小办公室。
In thirty years from now the United States should have a manned spacecraft on Mars.
从现在开始30年内，美国会把载人航天器送上火星。
The telephones are manned 24 hours a day by volunteers.
每天24小时都有志愿者接听电话。
Otto Lilienthal soars above a crowd in one of his manned gliders in an 1893 photograph.
这是1893年的一张照片，奥特·李林塔尔乘着他的载人飞行器翱翔在人群上空。
A manned submersible has to meet even higher standards: it must keep its occupants alive.
一艘载人潜艇还必须达到更高的标准：它必须保证乘坐者活着。
Scientists are working to discover new applications for the substance, ranging from the next generation of tennis rackets to super-insulated space suits for a manned mission to Mars.
科学家们正在继续尝试发现这种物质的新用途，可能的应用领域从新一代的网球拍直至载人火星任务使用的超级隔热的宇航服。
Chang 'e 2 is set to follow next year with another orbital mission, followed by a rover in 2012 and a robotic sample-return mission in 2017. A manned trip could come after that.
接下来会发射“嫦娥2号”进行另外的轨道任务；2012年发射月球车；2017年用机器人进行月球表面取样然后返回；最后就是载人月球之旅。
Now engineers want to unlock the rest of the sea with a new fleet of manned submersibles.
现在，工程师们希望通过一种新型载人潜艇，去解开海洋的神秘面纱。
If future test flights go well, Copenhagen Suborbitals wants to move fast-the team hopes to have a manned flight by 2013.
如果未来的测试飞行进行得顺利，哥本哈根次轨道组织想要加快他们的步伐——他们希望在2013年之前有一次载人飞行。
The team also decided to go with a manned turret for maximum situational awareness.
该小组还决定使用一个最大的态势感知载人炮塔。
Chinese press reports have suggested that a manned lunar landing could take place around 2020, preceded by an unmanned mission that would return lunar samples to Earth.
根据中国媒体的消息，中国将在2020年左右实现载人登月，之前会有一次无人登月，计划带回地球一些月球采样。
Just this summer, a Swiss team proved a manned solar-powered plane can fly for 24 hours straight.
就在这个夏天，一个瑞士的团队已经制造出了一架载人的太阳能飞机，它能不间断地持续飞行24个小时。
Shawyer calculates that a solar-powered Emdrive could take a manned mission to Mars in 41 days. Provided it works, of course.
Shawyer计算一个太阳能驱动的Emdrive可以在41天内完成载人火星任务，当然，这是在正常工作的前提下。
The third was manned by a single nervous Talib who ordered us out of the car and made us stand in line by the road while he tried to call his commanders on a mobile phone.
第三个检查站上只有一个神经紧张的塔利班战士，他命令我们从车里出来，让我们沿路站成一排，同时用移动电话联系他的指挥官。
China expects to launch the space station's first module later this year, followed by a manned spacecraft to dock with it.
中国计划在今年晚些时候向空间站发送第一个模块，随后将搭载一个人造飞船与其对接。
When you think about the fact that we have a permanently manned space station and the Internet, using plastic cards with pictures on them to officially identify ourselves seems a bit archaic.
人们思考一下，我们处在建立人居住永久太空站和互联网时代，如果我们仍采用有相片塑料卡确认自己身份，是否似乎有点陈旧。
As the 40th anniversary celebrations of the first manned moon landing end, a human voyage to Mars remains a holy grail for NASA.
登月40周年庆典已经结束了，但对NASA(美国宇航局)来说，人类登陆火星仍是一个艰难的梦想。
The first manned day and night flight of a solar-powered aircraft has been postponed due to technical problems.
由于技术问题，第一架可实现载人昼夜飞行的太阳能飞机推迟首航。
Manned spaceflight is no longer a two-horse race.
载人航天领域不再是两匹马的比赛。
The costs continued to rankle with those who thought manned space flight a waste of money, and three decades spent stuck in low-Earth orbit never stopped frustrating those who wanted to go farther.
对那些把载人航天看成虚掷钱财的人来说，航天飞机的成本始终令他们心痛；而对那些梦想着远航的人来说，在近地轨道上浪费的三十年时间令他们心寒。
Russian sources said that much more experimental work and funding would be required to prove that solid propellant could be safely used for a manned landing.
俄罗斯的消息人士称，这将需要更多的试验工作以及资金来证明固体推进剂可以被安全地用于载人着陆。
Russian sources said that much more experimental work and funding would be required to prove that solid propellant could be safely used for a manned landing.
俄罗斯的消息人士称，这将需要更多的试验工作以及资金来证明固体推进剂可以被安全地用于载人着陆。
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