第二个问题是，当金星在太阳圆盘外被观测到时，它会呈现出光晕。
The second problem is that Venus exhibits a halo of light when it is seen just outside the Sun's disc.
当第一次用望远镜观测到火星时，人们从飞机上看到，火星的圆盘在地球上纵横交错。
When the planet Mars was first observed through a telescope, people saw that the round disk of the planet was crisscrossed on earth that are viewed from an airplane.
当第一次用望远镜观测到火星时，人们从飞机上看到，火星的圆形圆盘在地球上纵横交错。
When the planet Mars was first observed through a telescope, people saw that the round disk of the planet was criss-crossed on earth that are viewed from an airplane.
区域模型成功地模拟了该区域当今云场的关键特性，包括观测到的云区对厄尔尼诺现象的反应。
The regional model successfully simulates key features of the region's present-day cloud fields, including the observed response of clouds to El Nino.
1677年11月，哈雷在南太平洋荒凉的圣赫勒拿岛上观测到了水星（最靠近太阳的行星）的凌日现象。
In November 1677, Halley observed a transit of the innermost planet, Mercury, from the desolate island of St Helena in the South Pacific.
尽管海平面被观测到相对斯堪的纳维亚海岸每年下降4毫米，这一假设并没有受到破坏。
The hypothesis is not undermined by observations that sea levels are falling relative to the Scandinavian coast by four millimeters a year.
此前这种变形很难观测到。
在广域范围内观测到的低效阈值近似为常数。
Slow efficiency at threshold is observed to be nearly constant over the wide range.
从实验的角度来看，这种情况从未被观测到。
From an experimental point of view, it is certainly never observed.
它们通常预示着飓风来临，常常在夏季被观测到。
They are often associated with tornados and are seen in warm summer months.
尘埃温度远不及恒星，所以光学望远镜难以观测到。
Dust is nowhere near as hot as a star, therefore optical telescopes cannot observe it.
他相信这个过程产生出了费米镜观测到的伽马射线流。
He believes that this process supplies the gamma-rays observed by Fermi.
现有的天文望远甚至能观测到物质消失在黑洞的景象。
Current telescopes can even see matter disappear into a black hole.
这项技术使得科学家能够观测到细胞分子水平的结果。
This technique allows scientists to see what's going on deep within a cell - effectively a "molecule's eye view".
此时，我们所观测到的美元的变化就是一个纠正的过程。
What we observe at the moment with the dollar is such a correction.
黑点代表那些已经观测到的但面积还未确定的死亡区域。
Black dots show where dead zones have been observed, but their size is unknown.
但这奇怪的额外加速度被随后而来的两个飞行器观测到。
But this strange extra acceleration was seensubsequently with two other craft.
两份权威性的报道显示了观测到的确实是行星。
问题是，暗物质从未通过望远镜或其他设备直接被观测到。
The trouble is, dark matter has never been directly observed with a telescope or any other device.
卫星观测到的地表可能是贫瘠的沙漠，建筑物顶部或树叶。
The surface the satellite sees might be barren desert, the top of a building, or the leaves of trees.
人类眼睛所观测到的光是以流明小时这种单位度量的。
The light perceived by the human eye is measured in units called lumen-hours.
没有人预料到这么快就可以观测到臭氧层空洞的恢复。
No one had been expecting to discern the recovery quite so soon.
上星期，人们用地面望远镜观测到了这一太阳黑子群。
The monster spot came into view of Earth-bound telescopes last week.
行星变暖现象已被观测到，例如，火星、木星和冥王星都在变暖。
It has been observed, for instance that Mars, Jupiter and Pluto are all warming up.
这张照片是轨道侧面，或者说是边缘视角观测到的地球大气景观。
The image presents an edge-on, or limb view, of the Earth’s atmosphere as seen from orbit.
其中的一些粒子在之前也许一直没有被科学家们观测到。
Some of these particles may not have been witnessed by scientists before.
而且他们并没有给出解释，而是仅仅介绍了他们所观测到的内容。
And they didn't put their explanation of what they thought was going on, it just sort of was observing what they saw.
我们观测到随着吸烟源距离的增加，户外烟草浓度有很明显的下降。
We observed a clear reduction in OTS levels as the distance from a tobacco source increased.
我们观测到随着吸烟源距离的增加，户外烟草浓度有很明显的下降。
We observed a clear reduction in OTS levels as the distance from a tobacco source increased.
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