Statistics show that the average family size increases in inverse ratio to the mother's years of education.

统计数字表明，按平均数计算，母亲受教育年限越长，她的家庭人口就越少。

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Statistics show that the average family size increases in inverse ratio to the mother's years of education.

统计数字表明，按平均数计算，母亲受教育年限越长，她的家庭人口就越少。

youdao