粮农组织正在开展一项调查，利用卫星观测，希望能提供一个更加详细的评估，并应在明年年底出版。
The FAO is conducting another survey using satellite observations that they hope will provide a much more detailed assessment, and should be published at the end of next year.
该卫星将于地球上56,000处观测点利用两个探测器收集数据——其中的一个是光谱仪，测量从地球表面反射的阳光。
It will gather data from 56, 000 points around the globe with two detectors. One is a spectrometer that measures sunlight reflected from the Earth's surface.
该卫星将于地球上56,000处观测点利用两个探测器收集数据——其中的一个是光谱仪，测量从地球表面反射的阳光。
It will gather data from 56,000 points around the globe with two detectors. One is a spectrometer that measures sunlight reflected from the Earth's surface.
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