美国宇航局戈达德宇航中心的研究人员绘制了第一套陆地植物荧光地图。微红的荧光是叶子释放出因光合作用产生的一种副产物。
Researchers at NASA's Goddard Space Flight Center have produced the first global maps of land-plant fluorescence, a reddish glow that leaves emit as a byproduct of photosynthesis.
“侦察兵”的主要任务去携带一套固定的视频摄像机用于实时传输，还有各种不同的红-外系统。
The Scout's main missions were to carry a stabilized video camera for real time transmission, and various infra-red systems.
对主机曲轴红套滑移，并使二道主轴承严重损坏的机损事故进行了分析。
An engine accident by slipping of shrink fit crankshaft which caused severe damage of two main bearings is analyzed.
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