We found traders increased their Sharpe ratios significantly during the two years of the study -indicating they were learning to make more money per unit of risk.

我们发现，在我们研究的这两年内，交易员的夏普比率大幅提高。这表明他们在不断学习如何提高单位风险的盈利。

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Developer testing decreases the risk of defects in code, so many development teams now require that unit tests be written alongside newly developed or modified code.

开发人员的测试可以降低代码中存在缺陷的风险，因此现在很多开发团队在新开发和更改代码的同时需要编写单元测试。

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For every one unit increase in BMI in the teen years, the study found a 12 percent increase in the risk of heart disease around 20 years later.

研究表明在青少年时期，BMI指数每增加一个单位，20年后你患心脏病的几率就会增加12%。

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"One of the things that this study actually allows us to do, is to begin to get a sense as to how much of the burden of infection is an added burden on a patient who is already at risk of dying because of the underlying diseases that led them to be in the intensive care unit,"

VOA: standard.2009.12.08

This portfolio generates the highest return per unit of risk of any portfolio in the universe.

FORBES: How Much International?

Portfolio managers often use the eponymous Sharpe ratio to determine how much excess return they are producing per unit of risk.

FORBES: Financial Engines Is A Sharpe IPO

This morning, as I noted in an earlier post, Citigroup downgraded shares of Nvidia (NVDA), at least in part in anticipation that expectations for 2011 tablet unit sales are at risk of over-estimating demand.

FORBES: The Coming Tablet Glut