【关键词】证券投资组合；单指数模型；风险分散效应的翻译："Keyword" portfolio; single-index model; risk decentralization effect 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

Keywords portfolio; single index model; risk diversification effect

"Keyword" portfolio; single-index model; risk decentralization effect

(Key word)Negotiable securities investment profolio; Single index model; Risk dispersion effect

[keywords] portfolio risk diversification; single-index models effect;

"Keyword" portfolio; single-index model; risk decentralization effect