early period study是什么意思 early period study怎么读
early period study的用法和样例
- Edgeworth's early study of optimal income taxes indicated that after-tax incomes should be equal.
埃斯沃琪对最适所得税的早期研究指出，税后收入应当相等。 - An earlier study suggested that this program was successful in raising folate leels in women who might become pregnant.
一项早期研究显示这项计划在提高可能怀孕的妇女的叶酸水平方面是成功的。
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