She handles this difficult subject with a light touch.
她处理起这种难题来方法很巧妙。
Turn your subject so that only one shoulder is facing the light.
转动你的拍摄对象使其中一个肩膀面向光线。
Exposing for the light, not the shadow areas, allows the subject to glow.
根据光线，而不是阴影部分，进行曝光，使得主题突出。
Here are three ways you can use the light by setting your subject in relationship to the setting sun.
这里有三种方法可以让你通过设置和夕阳的角度关系去利用这些光线。
Indoors, a bounce card like this has the added benefit of throwing light onto your subject from two directions, forward and bounced off the ceiling.
在室内，这种反光板还有一些额外的好处，可以从两个方向给被摄体打光：直接反射光和天花板发射光。
Each one covers the core of each topic in a light, focused discussion that cuts directly to the core of the subject without a lot of distractions.
每本书都清晰、针对性地讨论了各个主题的核心内容，它们直接深入主题，没有涉及其他无关内容。
This of course also means that you can make a conscious effort to photograph in the kind of light which will reflect what you want to say and how you feel about the subject you're photographing.
当然，这也意味着你可以在相片中刻意制造出某种光线效果，以反映你对主题的意图和感受。
Lighting has been shown to have effects on mood in the physical world (both sunlight and artificial light; see lots of info on the subject).
已有研究表明，照明可以影响情绪(日光和人造光线)。
The same holds true for sidelighting: With a light close to the side of your subject, the falloff of light across the frame will be more pronounced than if the light is farther away.
该原则同样适用于侧光：侧光源离被摄主体近时，整个画面的光线衰减将比光源离主体远时更明显。
This time the flash fires just the right amount of light to "fill-in" the subject with the flash produced light. Now you have a rather nice shot where you can see the subject and the background.
然后你再次拍下照片，闪光灯发出刚够照亮拍摄主体的闪光，这一次的照片要好多了，你可以同时看清主体和背景。
Shoot facing your subject with your back to the light.
你要背向光线拍摄你的对象。
This explains why performance tests are often run "overnight" when backend resources are subject to light (or lighter) load conditions.
这一点可以解释为什么人们常常在“夜晚”(此时的后端资源处在轻(或更轻的)负载条件下)运行性能测试。
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。
That sounds complicated, but isn't really. If you move a light twice as far from your subject, you end up with only one-quarter of the light on the subject.
这听起来有些复杂，其实很简单，举例说明：如果你将光源至被摄主体的距离增加1倍，那么落在主体上的光线只有距离增加前的四分之一。
It seems that light energy will be an important subject of scientific research in the future.
看来，在未来的年代里，光能是科学研究的重要课题。
Once you are in the habit of considering how the light is falling on your subject you can select a viewpoint and time of day so that the light enhances your subject, rather than detracts from it.
一旦你形成了考虑光是如何落到你的主题物上的习惯，你就会形成自己的观点和每天的时间点来增强你的照片效果，而不是损伤它。
Night photography is subject to the same set of constraints as daylight photography - namely aperture, shutter speed and light sensitivity - although these are all often pushed to their extremes.
夜间摄影与白天摄影受到同样条件的约束——即光圈，快门速度，感光度——不过它对于这些参数的控制都要达到极致。
Data profiling is not magic — it helps bring data quality issues to light, but you still need a data or business analyst or subject matter expert to review results and draw appropriate conclusions.
数据概要分析并不神奇——它帮助揭示数据质量问题，但是仍然需要一个数据或业务分析师或者主题专家来对结果加以评价，并得出适当的结论。
Next to the subject, the most important part of every picture is the light.
除拍摄对象外，每个照片最重要的部分便是光线。
Photo Tip: Shooting into the light, or "backlighting," will add a halo effect to hair and clothing and other details of the subject.
摄影小贴士：正对光线进行拍摄(背光拍摄)会为头发、服装及其他细小物件添加晕轮效果。
By positioning the subject near the light source and allowing some of the subject to underexpose, the photographer can let light touch only the most important part of the subject.
让被摄者靠近光源并有选择地让被摄对象的某些部分欠曝，摄影师能让光线照亮被摄者最重要的部分。
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。
Sets the mood. For example, if a serious subject was presented by the previous speaker, the introduction can prepare the audience for a more light-hearted speech to follow.
比如说，上一位出席发言者的主题是严肃的，那么这份介绍将让观众做好准备，去听接下来较轻松的演说。
Place your subject facing the light.
让你的拍摄对象置身光线中。
One can try focusing on point light sources at a similar distance to the subject of interest.
你可以尝试对焦在与中心物体距离相近的任何一个光源上。
Photo Tip: if photographing indoors, window or door light falling on the subject can be beautiful.
摄影小贴士：在室内拍摄时，透过窗户或门照在被摄者身上的光线是很美的。
Reflections from the background can reproduce as black dead zones. To prevent them, build a de facto light tent around your subject by completely surrounding it with lights, diffusers, and reflectors.
背景的反射光可能会造成画面出现死黑区域，为避免出现这种情况，应在被摄主体周围布满灯、柔光罩和反光板，事实上起到柔光棚的作用。
Generally, the greater the Angle at which the light is positioned to the subject, the more texture is revealed.
一般来说，光线方向和被摄主体角度越大，主体的纹理就越明显。
Don't like the light on your subject?
不喜欢拍摄对象上的光线？
Flash or strobe light lets you photograph in dark places without having to increase your camera's ISO setting or use a tripod, as long as the subject is within the range of your light.
有了闪光灯，你就可以不用增加照相机的ISO刻度，或使用三脚架的情况下就可以在暗处拍照，只要拍摄物在闪光灯的有效范围里。
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