If you look in the normal population and ask what fraction of people have [a defect in methylation in the gene encoding insulin-like growth factor 2] it's about 5 percent.

如果你观察普通人群，调查多少比例的人有[胰岛素类生长因子2基因编码甲基化的缺陷]，大概是百分之5。

youdao

The longevity prize is held by an animal that could not make the receptor molecule for growth hormone and was thus a fraction of the size of normal mice.

长生奖的得主则是一只无法合成生长激素受体分子的老鼠——其体型与一般老鼠并无二致。

youdao

Even with the growth since then, China's millionaires are still a fraction of the more than 2.5 millionaires in the U.S..

即使是算上那之后的增长，与美国为数250万的百万富翁相比，中国的百万富翁人数仍只是九牛一毛。

youdao

In this scenario, due to real GDP growth, spending would fall as a fraction of GDP.

FORBES: US AAA Downgrade: S&P's Not $2 Trillion Math Error

Growth in the years of transition to a more sustainable economic model is likely to be a fraction of what we took for granted in the boom years: consistent growth of 1% might not be such a disastrous result, given the scale of the challenge.

BBC: If growth's the problem, are more ARMs the answer?

Wall Street will be pushing the idea that Q2 growth only missed the consensus forecast by a fraction.

FORBES: The Real Story On GDP Growth