One is a spectrometer that measures sunlight reflected from the Earth's surface.

一个是光谱仪，它测量从地球表面反射的阳光。

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Radar works by recording radio waves that have been reflected from the object under observation.

通常雷达通过从物体反射回的无线电波来确认位置。

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A person with his back to a bright window will have light reflected from an opposite wall falling on him.

如果一个人站在明亮的窗户前，对面的墙壁会反射部分光线落在人身上。

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This gives them their color. However,when light travels from air to snow, some light is sent back,or reflected.

VOA: special.2010.01.05

This handheld device measures the different wavelengths or types of light reflected from a surface.

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Utilizing a light bulb as the light source, the light is reflected from a small DMD to the screen.

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The alignment of the liquid crystals in the array controls the direction in which light is reflected from them.

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