By introducing the concept of unit risk and combining the risk minimum point on optimum investment curve, the article offers the optimum combination plan under various circumstances.

本研究通过引入单位风险的概念，并结合有效边界上的单位风险极小点，给出了各种情况下有风险投资和无风险投资的最优组合方案。

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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

So, that particular sub unit vaccine was only used in people that are at high risk for acquiring Hepatitis B, that is, people that work in healthcare situations that are exposed to blood routinely as part of their job.

因此,那些特殊的亚基疫苗当时仅用于,极有可能感染乙肝的高危病人身上,也就是那些在日常工作中,频繁的接触血液的健康护理人员

耶鲁公开课 - 生物医学工程探索课程节选

They say the Force has developed a domestic violence plan with a central referral unit for risk assessment and specialist officers, a pilot multi agency risk assessment unit involving Health and Social Services and specialist review panels to review all their domestic violence investigations four times a year.

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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