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Microscopic Algae Stream 400x (HD). Microscopic Algae seen at 400 times magnification moving a cross a water sample including some bacteria. Speed up for impact.

视  频 ID：  2149436
版      权：  James Benet
视频长度：  0:23
横纵比率：  16:9
所属分类：  自然 科学 
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