The two pie charts compare the proportion of male and female employees working in executive positions in ABC Company over a span of 7 years from Jan. 2000 to Jan. 2007.

这两个饼图比较的是ABC公司2000年1月至2007年1月七年间男女员工在行政级别上的比例状况。

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As for the proportion of male and female prison inmates, men outnumber women 24 to 1.

关于男性监狱囚犯和女性监狱囚犯的比例，男性以24：1的高比例远超过女性。

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The findings of this study were as the following. The most frequent gender was female, and the proportion of female-to-male was 23 to 1.

研究结果发现：（一）女性受害者最多，女男比例为23：1，有些案主合并遭受身体虐-待或疏忽。

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The researchers studied male leopard frogs across a large area of the US and found a high proportion to be developing female characteristics where they swam in waters contaminated with the herbicide.

BBC: Weedkiller 'threatens frogs'