NPP is a risk reduction mission for NPOESS, and will be the first major element of the next generation U.S. Earth observation system when it is launched in 2010.
NPP是NPOESS的风险降低任务，将成为2010年发射的下一代美国地球观测系统的首个主要组成部分。
Learning is the first element of life; experience and knowledge accumulated by one generation are passed to the next generation, creating better living conditions.
学习是人生第一要素，一代人给下一代和下几代人积累经验，创造条件，一棒一棒的向下传递；
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