他把双筒远镜的焦点对准在那只鸟上。
他用远镜扫视地平线。
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.
哈勃空间看远镜就是使用CCD作为主要成像设备。
The Hubble Space Telescope USES a CCD as its main imaging device.
望远镜可以望见远的目标，却不能代替你走半步。半步。
Telescopes could see far away goal, but can not replace you take a half step.
我们只是想进入能使用我们的双筒望 远镜的观察范围。
这是通过观测比先前远得多的造父变星的可见光谱实现的，结果与地面望远镜观测结论类似。
This was accomplished by observing Cepheid variables at optical wavelengths out to greater distances than obtained previously and comparing those to similar measurements from ground-based telescopes.
结论新型国产两用望远镜助视器具有较高的临床使用价值，可作为低视力患者看远常用的助视器。
Conclusion the new type of 2.5x monocular or binocular telescopes can effectively improve the distant vision of low vision patients.
月球远侧被建议为安置大型射电望远镜的潜在地点，因为这个地点能够躲避可能来自地球的射电干扰。
The far side has been suggested as a potential location for a large radio telescope, as it would be shielded from possible radio interference from Earth.
在一架先进的天文望远镜被送入太空以后，天文学家开始在比海王星还远的太空发现了一条带状区域。
After an advanced telescope was sent into space, astronomers started to find a belt of objects, which lies beyond Neptune.
有一次，望远镜运行到埃及上空，却探测到了来自赞比亚，这个正南方1800公里远的地方的一片活跃的雷暴的TGF信号。
In one case, the telescope was orbiting over Egypt, but the TGFs it detected came from an active storm in Zambia, a good 1,800 miles south.
在这张有趣的望远镜影像中我们可以看见4个明显的星系，这个星系群被称为希克森44星系群，在狮子座方向上距离我们大约1亿光年远。
The four prominent galaxies seen in this intriguing telescopic skyscape are one such group, Hickson 44, about 100 million light-years distant toward the constellation Leo.
但是，假设距离我们仅有4.3光年远的一颗系外行星上，有一头徜徉漫步的大象，我们如果要拍到它，也得使用一个直径有太阳那么大的望远镜。
But it would take a telescope with the effective diameter of the sun to actually take photographs of something the size of an elephant strolling on an exoplanet only 4.3 light-years away.
你身着特制的月球服，在月球上四处走动，你参观一处天文台，在那里有一架巨大的天文望远镜可观测到太空深处——比从地球上任何人所能观测的还远。
You walk around on the moon in a special moon suit. You visit an observatory where a giant telescope looks far into space-farther than anyone has ever been able to see from Earth.
星火的回答是：射出去6英里远的激光到大气中间层，测量失真，然后调整激光的反射镜直到光束背对焦点。
Starfire’s answer: Shoot a laser 56 miles into themesosphere and measure the distortion. Then adjust the laser’smirrors until the beam is back in focus.
从装饰板拉电动视镜开关足够远，找到线束接头。
Pull the power mirror switch away from the trim panel far enough to access the wire harness connector.
测定术后患者的屈光状态及角膜曲率，并经主觉验光后配戴远用矫正镜测定远近视力并记录。
Measure the refraction, the corneal culture, the far and near vision when the correcting lens were wore.
远场光学显微镜受衍射极限分辨率的限制，而近场光学显微镜南于缺乏层析能力，则无法实现超分辨的三维成像。
The resolution of far-field microscopy is limited by the diffraction limit, while near-field microscopy lacks the sectional function to image 3D pictures.
远场光学显微镜受衍射极限分辨率的限制，而近场光学显微镜南于缺乏层析能力，则无法实现超分辨的三维成像。
The resolution of far-field microscopy is limited by the diffraction limit, while near-field microscopy lacks the sectional function to image 3D pictures.
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