Therefore, when light energy strikes the material, all of the excitons flow to the center of the fiber, where they are concentrated.
这样，当有光照射到材料上并激发激子后，所有激子将流向在纤维管的中心并在此集中。
These are extremely dense masses believed to exist at the center of most galaxies. Their gravitational pull is so strong, they absorb light.
黑洞是被认为存在于大多数星系中心的密度极大的物质，它具有非常强的引力，可以吸收光线。
Nearsightedness associated with cataracts in the center of the lens is often classified with the pseudomyopias, but it is actually a permanent change in the way light focuses in the eye.
与发生于晶状体中心白内障相关联的近视被归于假性近视一类，但它确实且永久地改变了光线在眼内聚焦的方式。
"That light has imprinted on it the signature of chemicals in the atmosphere," said study leader Jacob Bean of the Harvard-Smithsonian Center for Astrophysics in Cambridge, Massachusetts.
“这光线具有该大气中所含有的化学物质的印记”雅各布。宾安说，他是位于马萨诸塞州剑桥的哈佛—索尼·史密斯天体物理研究中心的首席科学家。
They say the human and wheeled traffic in a busy city center could provide enough energy to light the streets of an entire town or power the heating system for a hospital or school.
他们说，在繁华大城市的中心，人群和过往车辆可提供足够的能量为整个城镇的街道照明或者为一个医院或学校提供供暖系统的动力。
Spherical Aberration — causes light rays passing through a lens (or reflected from a mirror) at different distances from the optical center to come to focus at different points on the axis.
球差-使以不同孔径角穿过透镜(或从镜面上发射)的光线不能聚焦在轴上的同一点。
The center of the Rosette Nebula, which glows with the red light of ionized hyrdorgen, is fueled by a central cluster of powerful giant stars.
一群强大的巨型恒星点燃蔷薇星云的中心，来自电离氢的红光使其绚丽夺目。
For example, in addition to the location, direction, and color of the light, it's possible to control the Angle of the spotlight cone and the center bias of the cone.
例如，除了位置、方向和光线颜色，它还能够控制spotlight锥角和锥体离心值。
By 2011 debris in the center of the ring, which is about a light-year in diameter, was blazing more intensely as the supernova entered a new stage of stellar demise.
到2011年为止，因为这个超新星进入了星球消亡的新阶段，所以这环物质中心直径大约是一光年的碎片燃烧的更加强烈了。
Click on the center point (inside the circle) and drag the light into the position where you want it.
点击中间的那个点，(聚光灯范围圆圈里)并将其拖曳到你想要的地方。
The nuclear energy is released at the Sun’s center as high-energy gamma radiation, a form of electromagnetic radiation like light and radio waves, only of very much shorter wavelength.
核能在太阳的核心被释放为高能的伽马射线。 这是一种电磁射线，就象光波和无线电波一样，只是波长要短得多。
This image was produced by combining a dozen Chandra observations made of a 130-light-year region in the center of the Milky Way.
这张照片是多张钱德拉天文台的照片合成的，显示的是130光年远的银河系的中心部分。
These accounts center around jokes, fashion and other light-hearted topics.
这些微博发布的信息主要围绕笑话、时尚等轻松的话题。
The inside of the convention center is filled with light and will hopefully be all it claims to be in terms of sustainability.
按设计者的构想，内部会议中心光线充足并且能够体现可持续性内涵。
And ultraviolet light will interact with that little ball, the center of mass, and when I then make it dark, you will only see the motion of the center of mass.
这紫外线光可以，与小球互动，也就是质量重心，当周围暗下来，能看到质量重心运动。
The green ring structure near the center of the image is about 77 light-years across.
图片中间的绿色环状结构的跨度大概有77光年。
Across the room, beneath "Discover!" in red lettering, light poured through a large candy-colored doorway opening onto a new addition, a children's science center.
屋子另一边，在“discover ！”的亮红字母下，灯光洒过糖果色的宽敞过道，这个过道通往新增设的儿童科学中心。
You love being the center of attention and design bold, elegant rooms full of dramatic furnishings, exotic accessories and fancy light fixtures.
喜欢受到关注的狮子座偏爱大胆的设计。 现代感十足的家具、异国风情的组件及奇幻的灯饰充斥在房间的每一个角落，无不体现了主人的奇思妙想。
In 2005 astronomers reported an extraordinarily fast-moving star some 200,000 light-years from the galactic center.
2005年，天文学家报告，距银河系中心约二十万光年处，有一颗恒星在以非常快的速度移动。
In 2005 astronomers reported an extraordinarily fast-moving star some 200, 000 light-years from the galactic center.
2005年，天文学家报告，距银河系中心约二十万光年处，有一颗恒星在以非常快的速度移动。
A powerful X-ray blast drew the attention of astronomers to the event, located near the center of a galaxy about 700 million light-years from Earth.
强烈的X射线爆炸引起天文学家们的注意，它发生在到离地球大约7亿光年的星系中心附近。
The supermassive black hole at the center of NGC 3115, they calculate, has a mass of about 2 billion Suns, making it the nearest billion-solar-mass black hole to Earth at 32 million light-years away.
据推算，NGC3115中心的超大质量黑洞，距地球3200万光年，质量相当于太阳质量的20亿倍。这也使它成为距地球最近的“10亿太阳质量级别”黑洞。
The images show that the explosion took place 3.8 billion light-years from Earth, at the center of a galaxy where a supermassive black hole would lie.
图像显示该爆炸地点距离地球38亿光年，位于一个星系的中心，那里可能存在一个特大黑洞。
The mirror, in this case, is a vast blob of gas about 70,000 light-years away from the center of a spiral galaxy, where the quasar resides.
从这种情况看，这个大家伙实质上是来自70000光年之外的星系螺旋线（宇宙射线）的视像，也即是类星体所在之处。
Henize 2-10, located about 30 million light-years away in the direction of the constellation Pixes, is neither massive nor bulging with a metropolis of stars at its center.
向着Pixes星座的方向，距我们3千万光年之遥的Henize 2 - 10质量又不大，而且在其中心也没有聚集大量恒星的核球。
Assuming the bubbles emanate from our Galaxy's center, the scale of the bubbles is huge, rivaling the entire Galaxy in size, and spanning about 50, 000 light years from top to bottom.
据推测这些气泡是从我们的银河系中心发出的，它们的尺寸极大，可以与整个银河系相比，从头到尾大约蔓延了5000光年。
The "Tribute in Light" memorial shines behind the Statue of Liberty, March 11, 2002, on the six-month anniversary of the World Trade Center terrorist attacks in New York.
2002年3月11日，在纽约世贸大厦遭受恐怖袭击的六个月纪念日，自由女神像后所闪烁的纪念光碑。
Thus the natural light enters this warm crossing center.
因此，自然光线能够进入到这一温暖的交通中心。
Thus the natural light enters this warm crossing center.
因此，自然光线能够进入到这一温暖的交通中心。
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