Most importantly, it needs to direct light where it is needed.
最重要的是，它需要引导光线到需要的地方。
In the top viewport, create a Target Direct light that lights the cloud tunnel from the side.
在顶视图中，创建一个目标平行灯，从侧面照亮云层隧道。
We also add a single Target Direct light with a blue color to simulate the light from the sky.
再加一个简单的目标平行光，使用蓝色，模拟天空发出的光。
As client looks straight ahead, move light source from side of client's face and direct light onto pupil.
受检者直视前方，将灯源从受检者脸部外侧内移，灯光直接照射受检者瞳孔。
Sometimes I also place this kind of direct light to cast the shadow onto the ceiling or even on the wall.
有时我还会把这种平行光投射到天花板甚至墙面。
When bouncing your flash, at certain angles close to that perpendicular plane, direct light will hit your subject.
当使用跳灯时，即使闪光灯以接近垂直的角度向上方打光，但仍有扩散的光线直接照射到被摄体上。
This might include using a lamp shade, or hanging a white sheet or curtain over an open window that receives direct light.
这也许包括使用一个灯罩，或挂一条白色床单在一扇打开的车窗或窗帘接收直射光。
However, if the beam Angle for the direct light is too wide then it will violate the limits of a full cutoff classification.
然而，如果给直接的光光线角度太宽，那么它将会违犯完整近路分类的极限。
Also, the roofs are placed at different levels, forming an upper window that allows direct light from the north to enter all rooms.
同时，房间的屋顶被设计成不同的层次，形成了一个上方的窗户，这样就可以允许来自北方的直射光进入到所有的房间。
Create a target Direct light in the top viewport, so it lights the teapot from behind, and place the target in the center of the teapot.
在顶视图中创建一个目标平行光，这样它从后方照亮了茶壶，将它的目标点放到茶壶的中心。
Lesion can produce spores under either direct light or black light, but under blacklight can produce more spore than under direct light.
在黑暗和散射光的照射下病斑都能产孢，但在黑暗条件下的产孢量明显高于在散射光条件下的产孢量。
Even invisibility now looks almost possible using a new type of material that can direct light to flow around an object as though it were not there.
甚至隐形现在也几乎成为可能：一种新型材料可以引导光线在物体四周流动，使得物体看起来就像不存在一样。
Similarly, with a smaller light source, a given region usually receives either all or none of the direct light - producing much deeper shadows.
同样地，拥有一个较小的光源，给出区域通常要么全部或没有收到的直射光-生产更深的阴影。
Researchers at Corning and Polytechnique Montreal discovered that they couldmake very high quality waveguides, which confine and direct light, in GorillaGlass.
康宁和蒙特利尔理工学院的研究人员发现，在大猩猩玻璃中可以制造出一种的极高质量的波导管，这种波导管会限制和引导光传播。
Pyroelectric detectors depend upon alternating signal, based on which a new kind of laser training system was developed, and the problem of direct light was solved.
热释电探测器为交变信号检测器件，根据这一原理，研制了一种新的激光训练系统，完全解决直射光的问题。
The macromolecule dyes such as the reactive red X-3B and the direct light turquoise GLwere used to investigate the influence of porous distribution on the diffusion rate.
首先挑选了两种分子直径较大的大分子染料(活性红和直接翠兰)，考察活性炭的孔径对大分子染料传质速率的影响。
Apple filed a patent two years ago for technology that would integrate a solar cell into the iPhone's LCD display, allowing the phone to charge when sitting in direct light.
两年前，苹果就为可以把太阳能电池整合到iPhone的LCD显示屏的技术申请了专利，这项技术，使手机在直射阳光时能够进行充电。
Abstract : A new type of optical signal transmission system based on organic light-emitting devices (OLED) has been investigated using direct light intensity modulation method.
摘要 ：采用直接光强调制的方法，建立了一种新型有机电致发光器件（OLED）的光电信号传输体系，研究了发光层掺杂、发光面积和预置电压对OLED响应速度的影响。
In 1991 they published a paper that made the cover of the journal Science, describing how photolithography could be used to direct light to activate the synthesis of biological compounds.
并就此于1991年发表的文章成为《科学》杂志的封面文章阐述了影像平面印刷技术如何能够直接激活生物物质的信息汇总。
When the air temperature is very low level, the water vapor condensation in the air, is not it condenses into water droplets, but by the water vapor condenses into direct light snow film.
当天空上层的温度很低、空气中的水汽凝结时，它就不是凝结成水滴，而是由水汽直接凝结成小雪片。
Shining sunlight onto silicon is the most direct way of turning it into electricity (the light knocks electrons free from the silicon atoms), but it is also the most expensive.
阳光在硅上照射，能最直接的转化成电（光碰触电子使其脱离硅原子），不过这也是最贵的方法。
They get their intense, blue-tinged light direct from the tiny plasma glowing brightly between the lamp's electrodes.
它们强烈的、淡蓝色的光直接来自电极之间明亮发光的微小的等离子气体。
The direct imaging of the light from an exoplanet, so far accomplished by the Hubble Space Telescope and the European Southern Observatory's Very Large Telescope.
来自太阳系外行星的直接光学图像，目前有哈勃太空望远镜和欧洲南方天文台的超大型望远镜能够做到。
To eliminate this effect, you can place a small piece of opaque material or black foam just long enough to block the direct part of the light from hitting your subject.
为了消除这种效果，可以在闪光灯灯头上加一片不透明材料或黑色塑料泡沫板做的遮光片，以阻挡扩散的光线照射到被摄体。
If you switch on your bedroom light, some light will reach under the bed even if the light doesn't have a direct path to it.
如果您打开卧室灯，就会发现即便没有能直接照射到床底下的光线，但床下仍会被照亮。
But spotty clouds rolled in and the ambient light fluctuated between direct and diffused sun.
但天空中云团滚滚，环境光线也在直射和散射的阳光间交替。
The holograms, which direct the flow of light, were specially created to send light in certain directions and shapes.
全息图，用来导引光的流动，专门创建来输送某种方向和形状的光线。
To help the lidar cop, the researchers replaced their classic lidar device, which used mirrors to direct the light, with a newly developed fibre-optic system.
为了改善激光雷达，研究人员用新近发明的纤维光感系统，代替了原本以镜子来导光的经典激光设备。
To help the lidar cop, the researchers replaced their classic lidar device, which used mirrors to direct the light, with a newly developed fibre-optic system.
为了改善激光雷达，研究人员用新近发明的纤维光感系统，代替了原本以镜子来导光的经典激光设备。
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