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.
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。
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.
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。
In optical astronomy, using a telescope and observing the stars that way, we rely on visible light waves.
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。
To measure the difference in elevation between poles, surveyors used an optical level—a telescope on a level base—placed halfway between the poles.
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。
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.
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。
In astronomy, in optical astronomy, we cannot measure the period or the frequency of optical light.
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。
Optical scanners ensure that imperfections in the cloth are located and removed.
光电扫描器能确保找出并去除布料上的瑕疵。
The key development lies in the ability of the sphere, an optical device, not only to remain invisible itself but to slow light.
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。
We derived a set of mathematical formulas for describing the third-order nonlinear optical process in polydiacetylene crystals.
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。
There are two kinds of twins in Berlinite: electric twin and optical twin.
磷酸铝晶体中存在两类双晶：电双晶和光双晶。
He began experimenting to set optical images in 1793.
他在1793年就开始试验凝固光学图像。
Each woman looks into an optical device that shows her three tiny discs in rapid succession.
每位被测妇女都观看一个光学器件，其快速连续的显示三个小圆盘。
First, they had deep expertise - in computer science, optical science, and system dynamics, as well as broad acquaintance with seemingly unrelated fields.
第一，他们专业深——在计算机科学，光波物理学，系统动力学，同时广泛的熟悉看上去不相关的领域。
He says something similar could well happen with the quantum leap in accuracy that optical clocks promise.
同样的，光学钟有望在准确性方面发生飞跃之后，一些更好的事情也将可能会发生。
Metal nanoparticles are the subject of intensive research efforts across the world, due to the differences in the optical properties they exhibit compared to bulk metals.
由于金属纳米粒子与整体金属相比所表现出来的光学特性差异，使其成为全世界深入研究的目标。
So it is developing an optical replacement for the interconnects in server “racks”.
所以其正在研究一种光互连以替代服务器”机架”。
Trapping these systems in periodic potential wells made by intersecting light beams yields optical lattices in which atoms behave as electrons in metals, albeit at a quite different scale.
在周期势阱中研究这个系统，发现相干光产生光学晶格能够使原子具有了金属中的自由离子的性质，尽管看起来截然不同。
Often, only first-order mechanical behavior is needed to provide sufficient accuracy in the prediction of optical performance.
通常，一阶机械特性就能为预测光学性能提供足够的精度。
They are drawn from a much larger "preform" block of the material when heated, in much the same way that conventional optical fibres used in telecommunications are created.
声学纤维和电信传统光学纤维的选材方法非常相近，都是在加热状态下从大量的雏形材料中选取出来的。
In addition to cloaking, the new technique provides an important step toward implementing optical transformation structures in the visible range.
除了隐形，新技术还使可见光领域内的光学转换技术又前进了一步。
Bell is also known for many other landmark inventions including his work in optical telecommunications, hydrofoils and aeronautics.
贝尔同样因为许多里程碑一样的发明而闻名，包括他在在光纤通信、水翼艇技术和航空学的研究。
One way of doing so is to use "stereoscopic" optical technologies, in which scenes are filmed from two angles.
有一种方式是运用“立体光学技术”，在两个角度拍摄画面。
It is in this area where a number of new optical alternatives are emerging from some of the biggest firms in the business.
这就是光学替代领域的市场正在那些最大的公司中崛起的原因。
The optical and infrared data also measured the extinction in these molecular gas clouds.
光学和红外数据也记录了分子气云的消亡。
Various techniques for making optical transistors regularly appear in laboratories.
虽然已经有许多制作光学晶体管的技术现在经常在实验室里出现。
Over the past 5 years, they have studied those galaxies in optical, near-infrared, and X-ray wavelengths using orbiting and ground-based telescopes.
在过去的5年中，他们通过用太空望远镜和地面望远镜研究了这些星系的光波、进红外线波和X光波。
“The camera has a built-in optical image amplifier that overcomes the tradeoff between sensitivity and speed, ” he said. “It could be especially useful for microscopy.
“这个相机内置了一个光学图像放大器，解决了灵敏度和拍照速度之间的权衡问题，”他说，“它在显微技术上会特别有用。
The Heart Nebula, officially dubbed IC 1805 and visible in the above right, has a shape in optical light reminiscent of a classical heart symbol.
心脏星云，正式名称为IC 1805，在上图右边可见，在可见光波段有着让人联想到经典的心脏符号的形状。
Previous experiments based on macroscopic electromagnetic wave propagation (involving lots of photons) have shown that the optical precursor is the fastest part in the propagation of an optical pulse.
先前基于宏观电磁波(包含大量光子)的实验已经证明，光前驱是光脉冲在传播过程中最快的部分。
Previous experiments based on macroscopic electromagnetic wave propagation (involving lots of photons) have shown that the optical precursor is the fastest part in the propagation of an optical pulse.
先前基于宏观电磁波(包含大量光子)的实验已经证明，光前驱是光脉冲在传播过程中最快的部分。
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