卧式机组厂房
参考答案：
水轮发电机组主轴呈水平向布置且安装在同一高程地板上的厂房称为卧式机组厂房。
An investor does research about annual return and standard deviation of returns, and is considering the purchase of two securities issued by different companies operating in different industries. Each security has an expected annual return of 10 percent and an expected standard deviation of retums of 18 percent. Regardless of the weights selected, will a portfolio composed of the two securities most likeLy have an expected:()
A.A
B.B
C.C
MIO走光时穿的是（）
