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。
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)。
Face the light: Lights can dispel shadows and create soft features on your face, so always try to turn your face toward the main light source.
面朝光线：光线能驱散阴影，让五官显得柔和。所以，自拍时要尽量面朝主要光源。
This time I used an HDR as the main light source in the scene, tweaked a bit using color correct.
在场景里我使用一个HDR作为主要的光源，并且调节了一下它的颜色。
The key factors of sugar accumulation are of main light temperature accumulation and daily range of temperature.
影响糖份累积的关键气象因子主要是光温积和气温日较差。
The excimer laser as the main light source of photolithographic device, whose energy distribution is required as homogeneous as possible.
准分子激光作为当前光刻装置的主要光源，要求其输出激光光束强度分布尽量均匀。
The additional light-emitting diodes are fixed to the light body in such a way that the optical axes thereof form a concentric light spot in the form of a ring around the main light spot.
多个附加发光二极管固定在照明本体上，以这样的方式它们的光轴形成一个环绕主照明区的同心环形照明区。
The additional light-emitting diodes are fixed to the light body in such a way that the optical axes thereof form a concentric light spot in the form of a ring around the main light spot.
多个附加发光二极管固定在照明本体上，以这样的方式它们的光轴形成一个环绕主照明区的同心环形照明区。
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