快速将以下句子中的数字转换为中文: The maternal mortality rate has pummeted from 94.7 per 1
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快速将以下句子中的数字转换为中文: The maternal mortality rate has pummeted from 94.7 per 100, 000 in 1990 to 56.2 per 100, 000 in 1998.

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{ a = a + b; b = a – b; a = a – b; };{ t=a; a=b; b=t; };{ b = a * b; a = b / a; b = b / a; }
