浮游生物通常在海洋表面附近某些含氮化合物浓度足够高的区域大量繁殖，而海洋表面正是浮游生物生存的地方。
Plankton generally thrive in areas of the ocean with sufficient concentrations of certain nitrogen compounds near the surface, where plankton live.
当微小的海洋浮游生物在海洋表面大量繁殖时，其壮观的场面甚至能从太空观察到。
When microscopic Marine organisms known as phytoplankton multiply into a dense population at the ocean's surface, massive blooms can spread so far that they can only be seen from space.
为了使大量繁殖的浮游生物的形象得到增强，必须使这一波段的正片记录曝光过量。
It was necessary to overexpose this positive record in order to enhance the presence of the Plankton bloom.
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