查询词典 NASA

In 1964 he joined the Douglas Aricraft Company, Missile and Space Division as Design Engineer Scientist on the S-4 stage of the Saturn Rocket used on NASA's Apollo Project.

在1964年，他加入了的S - 4型火箭土星道格拉斯飞机中止起飞阶段的公司，导弹和航天科美国宇航局的阿波罗项目作为设计工程师科学家。

"They are becoming brighter and seem to be coming to lower latitudes than in the past," James Russell, principal investigator for NASA's Aeronomy of Ice in the Mesosphere satellite, said last week at an American Geophysical Union meeting in San Francisco.

&这些云已经开始变得更亮，而且比起从前它们有逐渐向低纬度地区移动的趋势，&美国国家航天局冰高层大气中间层卫星首席研究员James Russell在上周于旧金山召开的的美国地理联盟会议上谈到。

The bottom row shows the explosions' aftermaths According to NASA, Hubble played a key role in discovering that a mysterious form of energy called dark energy is acting like a cosmic gas pedal, accelerating the universe's expansion rate.

美国国家航空航天局表示，哈勃望远镜在对暗能量的研究工作中扮演了至关重要的角色。暗能量是一种神秘形态的力，起到宇宙气体&踏板&的作用，加速了宇宙膨胀的速度。

The bottom row shows the explosions' aftermaths According to NASA, Hubble played a key role in discovering that a mysterious form of energy called dark energy is acting like a cosmic gas pedal, accelerating the universe's expansion rate.

暗能量是一种神秘形态的力，起到宇宙气体&踏板&的作用，加速了宇宙膨胀的速度。

Aldrin in 1969 NASA's Apollo 11 mission used the camera to take his own footprints in this photo.

奥尔德林在1969年美国宇航局的阿波罗11号任务中用相机拍下了他自己脚印的这一照片。

"Thisis a bolder, more aggressive objective than we have had before," saidJohn Callas, the project manager for both Mars rovers at NASA's JetPropulsion Laboratory in Pasadena, Calif. It's tremendously exciting.

&这是一个大胆，更积极的目标比我们不得不说，&约翰卡拉斯，项目经理两个火星探测器美国宇航局喷气推进实验室的科学家，加州这是非常激动人心的。

"This is the most serious embedding event that we've experienced on Mars for either rover," says John Callas, the rover project manager at NASA's Jet Propulsion Laboratory in Pasadena, California.

加利福尼亚州帕萨迪纳美国宇航局喷气推进实验室的火星车项目经理约翰·卡拉斯说：&这是至今为止我们的两个火星车在这颗红色行星上经历的最棘手的陷入问题。&

But ha also finds some fascinating, admirable, and maddening characters who have pursued the truth about extraterrestrial life: Cad Sagan, the brilliant astronomer who brought the cosmos to the masses; Dan Goldin the cantankerous head of NASA who still believes in the dream of the Space Age; Henry Harris, a former Las Vegas lounge singer who is assigned the job of figuring out how to get a spaceship to Alpha Centauri; and various and sundry ufologists, experiencers, spiritualists, and channelers for whom the aliens are an ever-present reality.

要想理性的来看待外星生物，首先我们必须搞清我们到底是谁，为什么存在，流淌在我们细胞中用了四十亿年才完成的进化史到底意味着什么。作者要向我们传达的信息是：能在这个充斥着岩石，气体和尘埃的宇宙中做有感知的人真棒---人是可以幻想的。

Additional images taken by astronauts and cosmonauts can be viewed at the NASA/JSC Gateway to Astronaut Photography of Earth.

附加所拍摄的图片航天员和宇航员可在美国航天局/约翰逊航天中心的宇航员摄影门户地球。

By space program, 18 NASA astronauts (4.1%) and four Russian cosmonauts (0.9% of all the people launched) died while in a spacecraft.

由太空计划，美国航天局宇航员18（4.1％）和4（0.9％的人所有的发射）死亡时，在航天器。

We have no common name for a mime of Sophron or Xenarchus and a Socratic Conversation; and we should still be without one even if the imitation in the two instances were in trimeters or elegiacs or some other kind of verse--though it is the way with people to tack on 'poet' to the name of a metre, and talk of elegiac-poets and epic-poets, thinking that they call them poets not by reason of the imitative nature of their work, but indiscriminately by reason of the metre they write in.

索夫农 、森那库斯和苏格拉底式的对话采用的模仿没有一个公共的名称；三音步诗、挽歌体或其他类型的诗的模仿也没有——人们把&诗人&这一名词和格律名称结合到一起，称之为挽歌体诗人或者史诗诗人，他们被称为诗人，似乎只是因为遵守格律写作，而非他们作品的模仿本质。

The relationship between communicative competence and grammar teaching should be that of the ends and the means.

交际能力和语法的关系应该是目标与途径的关系。