Same Brown's movement as seen under microscope?

Same Brown's movement as seen under microscope?

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送交者: silxirt 于 2010-11-24, 11:43:54:

回答: translational movement of crowds, Brown's movement, 由 cornbug 于 2010-11-24, 11:35:59:

Only if you view them from the sky:) (无内容) - cornbug (0 bytes) 2010-11-24, 11:46:10 (517656)