Second part, we designed the method of measuring investment return and risk on the basis of definitude of the essence of security investment return and risk.
第二部分，在明确了证券投资收益和风险本质的基础上，设计了证券投资收益和风险的计量方法。
Second part, we designed the method of measuring investment return and risk on the basis of definitude of the essence of security investment return and risk.
第二部分，在明确了证券投资收益和风险本质的基础上，设计了证券投资收益和风险的计量方法。
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