Point or spot lights that are fully or partially occluded by some scene objects get their pixels skipped on the GPU, so they are even cheaper.
点光源或者完全或者部分被场景物体遮挡的聚光灯光源所照射的像素则被GPU所跳过，因此更加廉价。
Computers have long been able to defeat even the best human chess player, but are only recently matching some of the abilities of average human beings to recognize objects or speech.
即便是最好的人类棋手，计算机一直以来都能够击败。但在语音识别和对象识别这些认知领域，直到最近计算机才能够达到人类的平均水平。
The options are mainly strings and Numbers, but some are arrays, other objects or even functions.
选项主要是字符串和数值，但有些是数组、其它对象甚至是方法。
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