beta risk [经] 乙级风险
- This thesis conduct research on the basis of beta coefficient, which measure market risk.
本文即是围绕β数这一测度系统风险的指数展开研究。 - A30 percent higher risk was found for combination supplements containing beta carotene and vitamin A, and a10 percent risk for supplements combining Contradicting claims of disease prevention, an analysis of previous studies indicates that the antioxidant supplements beta carotene, vitamin A, and vitamin E may increase the risk of death, accord
据发表在美国医学协会杂志上的一篇综述报道:对抗氧化剂研究的荟萃分析显示,抗氧化剂如β胡萝卜素、生素A和维生素E可能增加死亡率,这与以前声称它的防病和防衰老作用正好相反。
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