a point light
网络释义
Point lights are the easiest kind of light to understand: a pointlight simulates a light originating from a single point in space andshining in all directions, like a very tiny light bulb. A pointlight's position is important, but its orientation doesn't matter.
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双语例句原声例句权威例句
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The first three values specify the lights position, in the case of a point light, or the lights direction for directional lights.
前三个值表明了光源的位置，在点光源的，或者方向光的方向情况下。
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Most antennas are made in the shape of a dish to collect and reflect the radio waves to the sub reflector, in the same way as a curved mirror focuses visible light to one point.
大多数天线被制成碟形，用以收集和反射无线电波至亚反射器，就像曲面镜将可见光聚焦于一点一样。
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If you point a blue light toward the silver ball, it would turn bluish.
如果你把蓝光指向银色的球，它就会变成略带蓝色的。
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Many minerals in the asbestos family can absorb light with a wavelength measuring two-point three micrometers.
VOA: special.2009.11.17
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I wish it didn't say "exit," but it does say "exit," because that kind of weakens my point, but over many auditorium doors a red light just hangs there.
如果这些灯上没有注明出口就好了“,因为这样会削弱我要证明的观点，礼堂的门上一般会挂着一盏红灯。
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So up to this point, before it was really established that yes, light is like a particle sometimes, there was this very strong distinction between what is light and what is matter.
所以关于这个观点，在它被真正确立之前，光有时候像粒子，在什么是光和什么是物质之间,有一个非常巨大的区别。
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