根据马科维茨的定义，有效组合是指其单位收益的风险最小或单位风险的收益率最大。
Optimizing portfolio is that the least risk in an unit return or the most return in an unit risk on the basic definition of Markowitz.
根据马科维茨的定义，有效组合是指其单位收益的风险最小或单位风险的收益率最大。
Optimizing portfolio is that the least risk in an unit return or the most return in an unit risk on the basic definition of Markowitz.
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