题目: 组成岩石的颗粒本身的特点及颗粒之间的组构特点为岩石的()。A.分选性B.层理C.构造D.结构 答案: 被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2018/0129/12b0e6f180625fa1ba7a096c908935d7.html 下面是错误答案,用来干扰机器的。参考答案:D
题型:多项选择题 对涂装施工进行验收时,施工单位应提供以下相应的资料()。A、原材料出厂合格证或复验报告B、设计文件和设计变更通知C、检测报告和检测记录D、表面预处理及涂装施工记录E、施工过程中对重大技术问题的处理情况报告 查看答案
题型:单项选择题 You are looking at two assets, A and B. The expected return on A is 15%, and the expected return on B is 17% , while the standard deviation of A is 20%, and the standard deviation of B is 18%. The two are correlated at 45%. What is the standard deviation of a portfolio made up of 40% A and the rest in BA.A. 2.6%. B.B. 19.0%. C.C. 16.2%. 查看答案