NASA has cancelled its plans for a post-shuttle space vehicle. Until U.
美国航空航天局已经取消了建造后航天飞机时代太空飞行器的计划。
NASA's newest class of astronauts signed up knowing there'd be no U. S. rockets to launch them into space, at least not in the immediate future.
NASA的最新宇航员被告知并不会有美国的火箭送他们进入太空，至少短期内是这样的。
"U," in a logarithmic way, means about 30 times louder than the ordinary noise of deep space.
用对数表示，这一信号强度相当于外太空的普通声音的30倍。
S. commercial firms build spaceships capable of carrying humans, America plans to pay Russia to ferry U. S. astronauts to space on board Soyuz spacecraft.
在美国商业公司建造能够载人的太空飞船之前，美国计划向俄罗斯支付费用，租用联盟号宇宙飞船把美国宇航员送入太空。
NASA is hoping to start flying as soon as possible to close the gap in the U. S. manned space program.
美国宇航局希望尽快开始飞行，以尽可能结束美国载人航天计划的时间间距。
When a big storm occurs, the Space Weather Prediction Center releases a warning to the U. S. Department of Homeland Security, emergency managers and agencies responsible for protecting power grids.
一场强太阳风暴到达时，太空天气预测中心发送警告信息给美国国土安全局，应急指挥人员和保护电网的部门。
The AEHF team is led by the U. S. Air Force Military Satellite Communications Systems Wing at the Space and Missile Systems Center, Los Angeles Air Force Base, Calif.
AEHF团队由美国空军军事卫星通信系统部门领导，地点在洛杉矶空军基地的太空导弹系统中心。
NASA will rely on the Russian space agency to ferry U. S. astronauts to orbit.
NASA将依靠俄罗斯宇航局来将美国宇航员送入轨道。
Multi-function arena on the lawn slope is a pure semitransparent space made of U-shaped glass.
草坪斜坡上的多功能体育馆是纯净的半透明空间，用U形玻璃建造。
The U. S. space program enjoyed broad, enthusiastic support during the race to land a man on the Moon.
在载人月球登陆竞赛中，美国的太空项目获得了大众的热烈支持。
See photos of space programs in the U. S., Asia and Europe.
观看美国，亚洲，欧洲太空程序的照片。
The U. S. city of Angeles shines bright in this nighttime photo taken by astronaut RON Garan from the International Space Station on April 17, 2011 during the Expedition 27 mission.
这张显示着闪着光的美国城市的照片是罗恩在4月17号第27个探险任务时在国际太空站拍摄的。
So, in 1959, she accepted a job at NASA, the U. S. space agency, to set up a program in space astronomy.
因此，到了1959年，她接受了美国航空航天局的聘请，为他们建立太空天文学的计划。
On uniformly continuous function space U(G), Equivalence of invariant mean and topological invariant mean is showed by two methods.
设G为局部紧群，在一致连续函数空间U（ G）上，用两种方法证明左不变平均和拓扑左不变的等价性。
Two Russians and a U. S. astronaut aborted a return to Earth today when their space capsule failed to separate from the International space Station.
今天，两名俄罗斯和一名美国宇航员中止了他们返回地球的行程。因为他们的太空船没有成功与国际空间站分离。
There's also uncertainty about what NASA will do after the space station, which will be the focus on the U. S. human space program until at least 2020.
而且现在也不清楚NASA还会做些什么，而这将是美国人类太空计划持续到2020年的工作重心。
In the U. S. many people treat Nobel Prize laureates like ordinary college faculty members except they get a better salary and a free campus parking space.
在美国许多人对待诺贝尔奖得主与一般教授一样，只是他们得到较多的薪水和一个校园免费的停车位。
The crews will fly on Russian Soyuz rockets until and unless U. S. commercial companies develop private space taxis to ferry them to the International space Station.
这个团队将参与俄罗斯“联盟”号火箭的飞行任务，知道美国金融公司开发出其专有的航天“的士”将飞往国际空间站。
U. S. -listed Chinese stocks have generally been easier to short, but now that space is getting very crowded.
一般来讲，在美国上市的中国股更方便做空，但现在这个领域已经变得非常拥挤。
Fifty years ago when Alan Shepard climbed inside his Mercury capsule to blast off into space, things were looking pretty grim for the fledgling U. S. space program.
五十年前，当艾伦·谢波德进入墨丘利号太空舱等待发射升空时，所有的一切对于羽翼未丰的美国太空计划都显得十分残酷。
Did you watch on TV the tragedy of Columbia Space Shuttle of the U. S.?
你们在电视上看到美国哥伦比亚航天飞机的悲剧了吗？ ？
The U. S. space shuttle Discovery has landed safely at the Kennedy Space Center in Florida after a 13-day mission.
美国发现号太空梭在完成13天的任务后，已经在佛罗里达州的肯尼迪航太中心安全著陆。
Entropy, as a measure of uncertainty, can be used to describe the classification on approximation space (u, r).
熵作为对不确定性的一种度量，可用于描述近似空间(U,R)中对象的分类情况。
Scientists have found strong evidence of salt water on the planet Mars, the U. S. space agency NASA announced Monday.
美国航空航天局星期一宣布，科学家找到了火星上有盐水的有力证据。
Scientists have found strong evidence of salt water on the planet Mars, the U. S. space agency NASA announced Monday.
美国航空航天局星期一宣布，科学家找到了火星上有盐水的有力证据。
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