这款照相机集经久可靠性、无与伦比的光学性能和速度于一身。
The camera combines rugged reliability with unequalled optical performance and speed.
如果此类材料能够普遍用于光学产业，这一突破带来的收益将是巨大的。
If such materials became generally available to the optics industry the payoffs from such a breakthrough would be enormous.
具有像石英这样的光学品质的石头并不便宜。
Rocks like quartz, well, quartz of optical quality weren't cheap.
如今浮法工厂制造的玻璃具有近乎光学的品质。
我们还是可能放弃光学天文学，选择无线电天文学。
We might as well give up on optical astronomy and go with radio astronomy.
今天研究光学和色彩学的科学家们仍对他的发现感到惊奇。
Scientists studying optics and chromatics today still marvel at his findings.
我们很难发现这类天体，更不用说用光学望远镜研究它们了。
We have trouble discovering those sorts of bodies, much less studying them using just optical telescopes.
在光学天文学中，在用望远镜观察恒星时，我们依靠的是可见光波。
In optical astronomy, using a telescope and observing the stars that way, we rely on visible light waves.
在天文学中，在光学天文学中，我们不能测量周期或者可见光的频率。
In astronomy, in optical astronomy, we cannot measure the period or the frequency of optical light.
光学天文学受到最直接的影响，因为虽然星际气体是完全透明的，但尘埃却不是。
Optical astronomy is most directly affected, for although interstellar gas is perfectly transparent, the dust is not.
天文学家已经发明出一种叫做自适应光学的技术，可以以自己的模糊方式突破大气层。
Astronomers have devised a technique called adaptive optics that can beat Earth atmosphere at its own game of blurring.
为了测量两极之间的高程差，测量员在两极中间的一个水平基座上使用了光学水准望远镜。
To measure the difference in elevation between poles, surveyors used an optical level—a telescope on a level base—placed halfway between the poles.
关键在于光纤球功能的开发，一种光学设备，不仅要保持自身的不可见性，还要能减缓光线。
The key development lies in the ability of the sphere, an optical device, not only to remain invisible itself but to slow light.
从一端到另一端，银河系布满星星的圆盘横跨12万光年，可以用肉眼和光学望远镜观察到。
From end to end, the Milky Way's starry disk, observable with the naked eye and through optical telescopes, spans 120,000 light-years.
一家公司计划开发一种原型除草机，它使用带有光学传感器和微处理器的刀片，通过颜色的深浅区别杂草和作物。
A company plans to develop a prototype weeding machine that uses cutting blades with optical sensors and microprocessors that distinguish weeds from crop plants by differences in shade of color.
伽利略并没有发明望远镜，但在1609年听到有人制造了这种光学仪器后，他很快用管风琴管和眼镜镜片制造了自己的望远镜。
Galileo did not invent the telescope, but on hearing, in 1609, that such an optical instrument had been made, he quickly built his own device from an organ pipe and spectacle lenses.
比尔和他的团队使用一种被称为“活动镜”的光学仪器，这是一种在天文望远镜的种类中用来发现新出现的恒星和遥远星系的仪器。
Bille and his team work with an optical instrument called an active mirror—a device used in astronomical telescopes to spot newly emerging stars and far distant galaxies.
这是阳光学校生物课课程项目的一部分。
It's part of the school project for biology course at Sunshine School.
星光学校校长李先生给全校师生写了一封电子邮件。
Mr. Lee, the head teacher of Starlight School, wrote an email to all the teachers and students.
整整一年，阳光学校的学生们心中都在挂念肯尼亚的情况。
Kenya is on the minds of the students at Sunshine School all year.
这是阳光学校三年级一班星期一的课程表。
This is the school timetable of Class One, Grade Three, Sunshine School on Monday.
至于光学特性，它是强烈多色的。
幻日是一种罕见的光学现象。
星系中心的位置被射流本身的光学耀斑所曲解。
The position of the galaxy center is misinterpreted by an optical flare of the jet itself.
我们建立了一套描述聚丁二炔晶体中的三阶非线性光学过程的数学公式。
We derived a set of mathematical formulas for describing the third-order nonlinear optical process in polydiacetylene crystals.
这些转变都对光学增益有贡献。
图片：新材料的光学显微镜图。
这是由光学定律和眼睛的特性决定的。
These are determined by the laws of optics and the nature of the human eye.
这些就是基本的光学原理。
这些就是基本的光学原理。
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