发射的辐射要么被吸收，要么在地球表面反射。
The transmitted radiation is either absorbed or reflected at the Earth's surface.
一个是光谱仪，它测量从地球表面反射的阳光。
One is a spectrometer that measures sunlight reflected from the Earth's surface.
让我们添加上的MP3播放器表面反射。
从物体表面反射的光会具有部分偏振特性。
The light which is reflected from the surface of the object is partially polarized.
浅色的表面反射阳光。
光遇到发亮的表面会反射回来。
入射和反射的路径都在与表面垂直的平面内。
The paths of incidence and reflection are in a plane normal to the surface.
这种表面不会反射辐射能，因此呈现黑色。
Such a surface would reflect no radiant energy, and hence would appear black in color.
它们高度抛光的上表面将阳光反射深入到室内空间。
Their highly polished top surfaces bounce sunlight deep into the space.
十分引人注意地，在反射镜表面的乳胶没有变黑。
Quite significantly, there was no blackening of the emulsion at the mirror's surface .
光和热遇到白色或光亮的表面都会反射。
Light and heat will rebound from any surface that is shiny or white.
这时，雪的表面就会反射声波。
Then, the snow's surface will help to send back sound waves.
这时，雪的表面就会反射声波。
Then, the snow's surface will help to send back sound waves.
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