您可以用环境光模拟前面的卧室场景，将所有对象都照亮到一定程度，从而提供了另外一个全向光源。
You could model the previous bed scene with an ambient light to lighten up all objects to some degree and create an additional omnidirectional light.
你还可以创建一个环境光源以产生无方向性的光，或者点光源，如果你想对你场景中的特定区域聚焦。
You can also create an AmbientLight which will produce a directionless light, or a SpotLight if you want to focus on a particular part of your scene.
波文博士认为，改造现在的LED使之适应智能手机及类似设备上已有的感应器及光源，如摄像头、环境光感应器、屏幕、闪光灯泡、手电筒等。
Dr Povey believes that adapting existing LEDs to work with the sensors and light sources—cameras, ambient-light detectors, screens, flashbulbs, torches and so on.
外界环境下的光源系统，不可避免出现光源的一个影子，当操作者移动时，金属的反射会引起光的变化，因此聚焦条会闪烁。
The kind of environment light , the shadows we simply have when the operator moves, the sharp metals reflection can cause light changes and therefore the focus bar instability.
当发光器未发光时，光源发射的光的颜色取决于反射的环境光、第二颜色的光和第三颜色的光。
When the light emitter does not emit light, the color of the light emitted by the light source is determined by the reflected ambient light, light of the second color and light of the third color.
当发光器未发光时，光源发射的光的颜色取决于反射的环境光、第二颜色的光和第三颜色的光。
When the light emitter does not emit light, the color of the light emitted by the light source is determined by the reflected ambient light, light of the second color and light of the third color.
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