古代农业文明观察星星并用来观测记录季节变化。
Ancient agricultural civilizations observed the stars and then used those observations to keep track of the seasons.
给它安装无线电设备是很困难的，而且仅凭肉眼观测也太不可靠，无法对它的行为进行确切的观察。
Attaching radio devices to it is difficult, and visual sightings are too unreliable to give real insight into its behavior.
由于每个国家只有一个观测结果，因此不可能控制各国间未观察到的异质性。
With only one observation per country, it is impossible to control for unobserved heterogeneity across countries.
第二名是观察——我们需要开发更好的观测系统去记录全球和区域的环境变化。
The second is observing. We need to develop better observation systems to record global and regional environmental change.
哈勃望远镜的最初设计是只能观察光谱中的可见光和紫外线部分，后来在1997年增加了红外观测能力。
Hubble was originally designed to observe in the visible and ultraviolet parts of the spectrum, but a 1997 mission added an infrared observing capability.
今年，他们有了全球观测的想法，参与者能够在数百个活动中观察和了解月球。
This year, they are taking the idea global, with hundreds of events where participants can observe and learn about the Moon.
如果靠近地球的这颗恒星拥有运行中的行星，眼尖的观察员能够通过放大光亮观测到这些行星的蛛丝马迹。
If the nearer star has orbiting planets, keen-eyed observers can spot the subtle clues of their presence in the magnified light.
除了进行这些观察以外，地球和太空中的一系列望远镜和摄像机都将进行观测，抓拍图像。
In addition to those observations, an array of telescopes and cameras on Earth and in space will be watching to grab images.
今年二月，美国宇航局奋进号梭穿机携带“宁静”号节点舱及一个观察舱到达空间站，并为我们提供了从太空观测地球的惊奇景观。
In February, NASA? S shuttle Endeavour visited the space station to deliver a new room called Tranquility and an observation deck that provides stunning views of Earth from space.
接着飞船的第二部分（即主体）也将撞向月球表面，给那些千万里以外的观察者又一个观测机会。
Then the second vehicle will also smash into the moon's surface – providing another bite of the cherry for those observing from thousands of miles away.
因此，不同于以往观察许多中子星，研究人员们只需要观测这一个中子星即可。
So instead of looking at many neutron stars, researchers needed to look at only this one.
因为有更精确的数据，还有太阳动态观测台一次能够观察整个太阳的能力，科学家预计能够解决关于太阳磁场如何运作的一些长期存在的问题。
With the more precise data and the SDO’s ability to see the whole sun at once, scientists anticipate that they’ll be able to solve some longstanding questions about how the sun’s magnetic field works.
由于观测距离很远，光线要花很长时间才能到达地球，天文学家才能在现代观察到遥远的过去的景象。
By looking very far away, because the light takes so long on its journey to reach the Earth, astronomers are effectively able to look back in time to this early era.
然后骑着马，你可以观察到野生动物，这是一个真实独特的冒险观测方式。
Afterwards go for horse safari whereby you will watch wild animals; a real and unique way of a game viewing.
使得这个天体（被称为SN 1979C）如此特别的事实在于多年以来它已经被一系列轨道上的X射线望远镜所观察研究，最近的观测是钱德拉X射线天文台所做的。
What makes this one -- dubbed SN 1979C -- special is that it has been observed over the years with a series of orbiting x-ray telescopes, most lately the Chandra X-Ray Observatory.
在欧洲的观测者越靠近北部地区，他们所观察到的太阳就越接近于日全食。
The farther north observers were in Europe, the more the sun seemed to vanish.
强烈的电磁辐射使得太阳活动观测中心的观察器拍摄到的像素变得模糊，并且产生了那个垂直的瑕疵。
The intense burst of electromagnetic radiation momentarily overwhelmed pixels in SDO's detectors causing the bright vertical blemish.
因为三角测量和三边测量术观察没有包括第三方面的信息，所以介绍余下的站台的椭圆体高度作为观测参量。
Since the triangulation and trilateration observations do not contain much information in the third dimension, the ellipsoidal heights of the remaining stations are introduced as observed parameters.
显而易见，你的观测视野越宽广越好，广角观察增加你看到东西的可能性而不是漏掉，得到的信息越多而不是错过。
Obviously, the wider your observational field, the better, Wide-angle observation increases your chances of seeing things you might otherwise miss, gaining information you might otherwise lose.
在那些地区，天文观测者们可以尝试在17号凌晨两点到四点左右避开明亮的城市灯光观察天空，那时他们或能在一小时内看到30到50颗流星。
In those regions, sky-watchers are advised to venture out away from bright city lights between 2 a.m. and 4 a.m. on the 17th, when they should see 30 to 50 meteors an hour.
“宁静”舱还带有“炮塔”(cupola)观测台，这是一个由七块窗户组成的圆形屋顶状观察台。
Tranquility also comes with a cupola, a dome-shaped viewing port made up of seven Windows.
哈勃使用先进的观测镜头对英仙座中29个椭圆状矮星系进行了观察，这些星系属于距离地球最近的星系团之一，约2.5亿光年远。
Observations by Hubble’s Advanced Camera for Surveys spotted 29 dwarf elliptical galaxies in the Perseus Cluster located 250 million light-years away and one of the closest galaxy clusters to Earth.
当被观测行星从恒星前经过时，CoRoT号就观察来自恒星的光的细微减少，这种现象在天文术语中叫做过境。
It does so by watching for small diminutions in the amount of light from a star as the planet in question passes in front of it, a phenomenon known technically as a transit.
方法以细胞凋亡和免疫功能为主要观测指标，观察中药雄黄对荷瘤小鼠的抗肿瘤作用。
Methods to take the cell apoptosis and Immunity function as the main parameter and observe the antitumor effects of Realgar on tumor cell in mice with tumor.
夜复一夜，伽利略通过望远镜观察天空，并记录下了他看到的一切。把观测记录汇集成书出版，名字叫《星际使者》。
Night after night, he gazed through his telescope and wrote down everything he ovserved. Then he published his observations in a book which he called The Starry Mmessenger.
通过狭义相对论的时空观讨论观察与观测这两个易混淆的物理概念，分析两者之间存在的差别。
By the view of space and time in the Relative Theory of Narrow Sense, discuss the two confusing physical concept; observe and survey, and analyse the difference between them.
但现在，地球观测卫星1915年继续提供有用的信息，研究人员可申请了解它的超大质量黑洞的堂兄弟，可以无视观察时间的原因。
But for now, GRS 1915 continues to provide useful information that researchers can apply to understanding its super-massive black hole Cousins, which can defy observation for timescale reasons.
但现在，地球观测卫星1915年继续提供有用的信息，研究人员可申请了解它的超大质量黑洞的堂兄弟，可以无视观察时间的原因。
But for now, GRS 1915 continues to provide useful information that researchers can apply to understanding its super-massive black hole Cousins, which can defy observation for timescale reasons.
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