The volumetric shadows from the particles and insects should all point away from the light source, and helps creating a nice sense of space and perspective.
颗粒和昆虫的体积阴影都应该远离光源，并有助于建立一个很好的空间感和透视。
If I can see the light source, I usually make sure to leave a mark here on a separate layer as a point of reference.
如果我能看到光源，我通常一定要在一个单独图层上留个记号作为层参考点。
Of or relating to light emitted from a point source and reflected or refracted from a curved surface.
由一个点光源发出并从曲面反射或折射的光的或关于这种光的。
At this point you've perhaps been slightly misled: it's not really the physical size of the light source that matters - just its apparent size relative to the subject.
在这一点上你也许有些误导：这不是真正的物理尺寸问题的光源——只是其明显的大小相对的主题。
Fog up a piece of glass with your breath and look through the fogged plate in a darkened room at a white-light point source.
哈气使一片玻璃蒙上一层水雾，并在一个暗间里通过它来观察一个白色点光源。
In another technique, the light source layer's point spread function is decomposed into a plurality of components, and an effective luminance pattern is determined for each component.
在另一种技术中，将光源层的点扩展函数分解成多个分量，并对每个分量确定一个有效亮度模式。
Of or relating to light emitted from a point source and reflected or refracted from a curved surface.
其主要内容包括光源建模、自由曲面反射器的设计和前照灯照明效果模拟三大部分。
Through the clever use of mirrors and some smart science, researchers there have created a wholly new source of light by cooling photons to the point that they condense into a "super photon."
通过巧妙地应用镜子和精妙的科学方法来冷却光子至“超级光子”状态，科学家们创造出了一种全新的光源。
The UV light point is the light source of the optical fiber cluster.
针对现有技术的不足，我们提出了光纤传导紫外光催化技术的新方法。
The UV light point is the light source of the optical fiber cluster.
针对现有技术的不足，我们提出了光纤传导紫外光催化技术的新方法。
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