问题如下图:
选项:
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解释:
请问老师,这道题是属于考概念记忆吗?
也是不太记得这部分了 o(╥﹏╥)o...
NO.PZ2018062016000085 这道题的知识点在课程哪里有讲呢?似乎没有听过
NO.PZ2018062016000085 A portfolio of clean-energy companies' stocks A T-bill B is correct. Severranm variables are incluin a multivariate stribution, every variable is relatewith eaother. A portfolio of clean-energy companies' stocks contains a group of relevant assets,thus the multivariate stribution shoulapplieABC三个是什么意思呢