“率”is rate, not ratio.
		
		
		
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		送交者: wasguru 于 2005-12-06, 16:16:32:
回答: 远志明说的好--人的死亡率(mortality rate)是百分之百 由 HunHunSheng 于 2005-12-06, 16:13:33:
it's time related.
 
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