sperm的weight是...
The weight of 1 sperm is 17 picograms. That is ...
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21,250 times bigger than influenza virus .
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43,037,974,684 times bigger than uranium atom .
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568,561,872,910 times bigger than water molecule .
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897 times smaller than cedar pollen .
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8,215 times smaller than volcanic ash .
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323,283 times smaller than amoeba .
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6,818,363 times smaller than daphnia .
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925,703,313 times smaller than mosquito .
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6,666,659,653 times smaller than a water drop .
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530,745,312,824 times smaller than one dollar coin .
