You can photograph the flower but not its fragrance, you can photograph the candle, but not its light.
你可以拍下鲜花，但无法捕获她的芬芳，你可以拍下蜡烛，但不能汲取她的光芒。
Dark matter is a form of stuff that does not interact with light, so cannot be seen, but makes its presence felt by exerting a gravitational pull on normal matter.
暗物质是一种不与光发生作用的物质，因而不可见。但是暗物质又是确实存在的，它与可见物质之间产生的引力效应证实了这一点。
It is true, as I take a last look at the bay and its light, that what Wells up in me is not the hope of better days but a serene and primitive indifference to everything and to myself.
我最后看一眼海湾和海上的灯光：的确，在我心中升起的不是对于美好未来的憧憬，而是一种静谧而原始的淡漠，对万事万物淡漠，也对我自己淡漠。
But closer to a black hole, gravity becomes stronger and stronger until eventually, not even light can move fast enough to escape its pull.
而靠近黑洞后，引力变得越来越大，最终，即使跑的像光那样快也无法逃离黑洞的引力。
Thank the flame for its light, but do not forget the lampholder standing in the shade with 7 constancy of patience.
谢谢火焰给你光明，但是不要忘了那执灯的人，他是坚忍地站在黑暗当中呢。
If a light illuminates a certain space, its intensity at twice the distance is not twice as feeble, but two times two, equal four times, as feeble.
如果一个光源照亮某一个地方，这个地方距离光源越远，光照强度会越弱，但是光照强度并不是与光源距离等比例地减弱，就是说，距离延长两倍，光照强度并不是减弱两倍，而是减弱两倍的两倍，等于减弱四倍；
Its light was not bright, and it was diffused by the mist, but the man Jack would not need much light.
月光并不明亮，更因薄雾的笼罩而变得迷蒙，不过杰克并不需要太多的光。
Flat is not flat, but flat in its sweet, light has to give.
平淡不是平，而在它的平中有醇美，淡中有深情。
In the evening he went out again on the balcony. He had placed the light directly behind him, for he knew that the shadow would always have its master for a screen, but he could not entice it.
晚上他又走到他的阳台上来，他已经把烛灯仔细地在他后面放好，因为他知道影子总是需要它的主人作为掩护的，但是他没有办法把它引出来。
Thank the flame for its light, but do not forget the lamp-holder stand in the shade with constancy of patience.
感谢这灯焰的光辉，但别忘了那掌灯者坚忍的伫立在阴影中。
Not only side glowing optical fiber can transmit light from one end to another end, but also can leak out light from its clad surface to make the optical fiber glowing wholly.
它不仅能将光从光纤一端面传输至另一端面，而且还能将光从其包层表面泄漏出来，使光纤整体发光。
But the moon is not to be judged alone by the quantity of light she sends to us, but also by her influence on the earth and its inhabitants.
然而，不能仅从月光的强弱来论断月亮的价值，还应视其给地球及其居住者带来的影响而定。
Its wings covered with beads of water droplets light to hang, but, yet only a small bee can not be tired to move.
它的翅膀上沾满了水珠，水珠轻盈地挂着，可是，却把这只小蜜蜂累地无法动弹。
That's a lovely picture but it's not seen to its best advantage on that wall. Why don't you hang it nearer the light?
那幅画真不错，可是挂在那面墙上没有让它尽显其美。你为什么不把它挂得离灯更近些？
Not only White-LED's efficiency, but also its color and light distribution will be affected by changing phosphor's granularity, thickness and size.
通过改变荧光粉层粉体的粒度、厚度、形状、固晶位置等参数，可以改变白光LED的光效、颜色参数和空间光强分布。
Light could influence not only the lipids content of the cell but also its fatty acids composition.
光强不仅影响藻体中类脂的含量，而且影响着各种脂肪酸在总脂肪酸中的比例。
Thank the flame for its light , but do not forget the lamphoder standing in the shade with constancy of patience.
谢谢火焰给你光明，但是不要忘了那执灯的人，他是坚韧地站在黑暗当中呢。——泰戈尔《飞鸟集》。
Thank the flame for its light, but do not forget the lampholder standing in the shade with constancy of patience.
感谢火焰的光明，但是别忘了执灯人，他正在坚忍地站在黑暗之中。
When the diffractive optical lens is illuminated by white light, its focal length not only relates to material dispersion and wavelength dispersion, but also to aperture factor.
在白光照射下，衍射光学透镜的焦距不仅同材料色散和波长色散有关，而且还同孔径因子有关。
Thank the flame for its light, but do not forget the lampholder standing in the shade with constancy of patience.
感谢火焰的光明，但是别忘了拿灯的人，他正坚韧地站在黑暗之中。
Since 1997 it has become one of major measures to enhance peasants' income, but its efficiency is not so satisfied in light of the change trend of the peasants' income.
自1997年农业结构转型成为增加农民收入的重要手段之一以来，从农民收入水平的变化趋势看，结构转型对增加农民收入的有效性并不高。
Thank the flame for its light, but do not forget the lampholder standing in the shade with constancy of patience.
感谢火焰的光明，但是别忘了执灯人，他正坚忍地站在黑暗之中。
Thank the flame for its light, but do not forget the lamp holder standing.
感谢灯焰的光明，但请不要忘记那伫立于阴影中以坚定耐心的灯台。
Thank the flame for its light, but do not forget the lampholder standing in the shade with constancy of patience.
感谢火焰带给你的光明，但勿忘那始终坚忍的立于黑暗中的执灯人。
But the law is not, in itself, a torch of learning which shines its light abroad.
但法律本身可不是四散着光芒的火炬，可以引导学习。
In case of holographic recording, dynamic grating was recorded in the BR-D96N film, its characteristic parameter was not light exposure energy but light intensity.
BRD96N用于全息记录时形成的是动态光栅，其特征量为光强而非曝光能量。
Light from a low Angle, but not so low that your subject is obscured by its own shadow.
请保持光源处在较低的角度，但也不要放的太低以至于你的主题因为处于自身的阴影而模糊不清。
Light from a low Angle, but not so low that your subject is obscured by its own shadow.
请保持光源处在较低的角度，但也不要放的太低以至于你的主题因为处于自身的阴影而模糊不清。
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