Fill flash is when you are outdoors for example and the light you are getting from the sun is the main light. Fill flash is just that.
现在来谈谈闪光灯补光，补光是指当你在户外，阳光是主要光源时，闪光灯用来照亮阳光给人物带来的阴影等影响(如兔眼等)。
There must also be some doubt whether Fiat, whose main expertise lies in small cars, can steer to safety a firm whose sales have historically depended on light trucks.
同时这必将产生一定质疑：主要研发小型汽车生产技术的菲亚特是否能够为历来依靠销售轻型卡车的公司保驾护航。
Although electrodes are undeniably convenient for plugging bulbs directly into the light ing system, they are also the main reason why lamps fail.
不可否认，正是由于电极，电灯才便捷地运用到照明系统中，但同时它也正是灯泡坏掉的主要原因。
Whether his inspiration was a person, an animal, plants or the corner of a room, though, light was his main prey. To help him capture it, he jotted down notes about weather and colours.
无论妙手偶得的是人，是动物，是植物还是房屋的一角，光线始终是捕捉的主打，为此他匆忙记下天气和色彩。
The light at the background should be 1 stop brighter than the main, but the background light should drop off by a stop when it hits the models back.
而背景光应该比主光强1档，如果当背后的光强于主光是，应当让模特远离背景。
NO2 is the main source of nitrate aerosols, which form an important fraction of PM2.5 and, in the presence of ultraviolet light, of ozone.
二氧化氮是硝酸盐气溶胶的主要来源，构成PM 2.5和在紫外线下臭氧的主要部分。
The discovery of intelligent life on other solar systems with the parallel discovery of a faster-than- light transport stack is the main cause.
其主要原因是发现了其他太阳系的智慧生物和超光速传送堆栈.
I used a Dynalite Uni-400 in an 18-inch beauty dish for the main light.
我是用一只dynaliteUni- 400放在18英寸雷达罩里面作为主光源。
The large transparent umbrella mounted on a light stand with a Quadra head, acted as the main light.
大的透光伞是装在Elinchrom Quadra的一个灯头上作为主光。
I positioned the main light as close as possible to the camera, but just outside the camera viewfinder.
我将主光尽量的放在我的相机旁，但是又不进入相机的取景器。
And the main lens is preset so that it always captures the greatest amount of light possible.
主镜头是预置的，以使得其始终捕获最大限度的光线。
Retinas use two main types of light-sensitive cells to allow animals to see: Rod cells help measure brightness, while various types of cone cells help distinguish colors.
动物主要借助网膜中的两类光感细胞获得视觉：视杆细胞帮助感知亮度，而种类众多的视锥细胞则帮助辨别颜色。
In the west of this region (at the upper edge of the main image) there are light-coloured, irregular protrusions.
在该区域的西侧(主图像中上部边缘)有一些浅色的不规则突起。
Yet the main warning light flashing from StanChart may be a signal to investment banks, against which it increasingly competes.
渣打银行亮出的警示灯向投资银行传达出一个信号——渣打逐步进军投资业。
The original main motivation for the project was the need for a light-weight environment for consumption and adaptation of our SAP application platform.
这个项目最初的动机是需要一个轻量级的环境来支持我们的SAP应用平台。
Consequently, we adapt to use lamps as the main lighting source of the restaurant so the intensity of light can easily be adjusted.
从而，我们开始适应使用灯具作为我们餐厅的主要光源，这样一来，光照的强度能够很容易地进行调整。
On the entrance level, large Windows allow plenty of light to reach the main living areas.
在入口层，大窗户让大量的阳光渗入到主要的起居区域。
The migration behaviour usually occurred in the daytime, and the temperature, light and wind were the main influence factors.
蚜虫迁飞多发生在晴朗的白天，并且温度、光照和风是影响迁飞行为的主导因子。
Otherwise, the main drawback is having to sit in front of the light for 30 to 60 minutes in the morning. CET-6, 2005.6.
另外，它最主要的缺点是你得每天花30到60分钟坐在光线前。
The fuselage is a semimonocoque structure, light alloy circular frames and longitudinal stringers support and strengthen the main fuselage skin.
机身为半硬壳结构，轻质合金的环形隔框和纵向长桁支撑并加强了主要机身蒙皮。
Ancient Chinese society is a natural economic to small farmers as the main agricultural society, the "light to farmers," the idea of the social trends of thought in Zhanzhu Liu status.
中国古代社会是一个以小农自然经济为主体的农业社会，“重农轻商”的思想在社会思潮中占主流地位。
Draw the main center lines and block in the general outline of the views with light, sharp 6h pencil lines.
用轻细的6H铅笔线绘制主要的中心线和视图大体的轮廓框。
"It is the only known technology which may someday enable interstellar flight," he said, if light from onboard lasers could one day replace sunlight as the main propellant.
“它是未来某一天唯一可以实现星际飞行的技术，”他说，如果飞船上的激光有一天可以替代太阳光而成为主要推动力。
These angles provide a sculptural form that transform shadow and light into the main living Spaces as the days progresses.
这些角度是一个雕塑的形式，随着时间的推进，天窗使主要生活空间内产生明暗交替。
At the rear, facing the sun & garden, the same form is stretched to welcome in the light, the view & create a large window seat in the main bedroom.
屋后，朝着太阳和花园，以同样的形状延伸来迎接阳光和风景，一大扇窗户坐落在主卧中。
Our main sales LED rainbow tube LED guardrail light bulb lights Christmas Lights Cup.
我们主要销售LED彩虹管数码管护栏灯球泡灯杯圣诞灯。
The three objects - a girl, a dog and light - are not only the main objects on my works but also the ones that inspire me a lot.
女孩，狗和光线这三样虽然不是我作品的主要元素，但也正是这些元素启发了我很多。
The three objects - a girl, a dog and light - are not only the main objects on my works but also the ones that inspire me a lot.
女孩，狗和光线这三样虽然不是我作品的主要元素，但也正是这些元素启发了我很多。
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