能全部通过七号筛,但混有能通过九号筛不超过95%的粉末()
A.最粗粉
B.粗粉
C.细粉
D.最细粉
E.极细粉
参考答案:E
With respect to the Standards of Professional Conduct relating to conflicts of interests, CFA members are required to fully disclose to clients, prospective clients, and employers:
A. only all actual conflicts of interests.B. only all potential conflicts of interests.C. both all actual and potential conflicts of interests.
关于扫描参数接收带宽,叙述正确的是()。
A.接收带宽是MR接收信号的频率范围
B.层面厚度与接收带宽无关
C.增加接收带宽可以提高图像信噪比
D.减小接收带宽可以减小图像的几何变形
E.扫描视野与接收带宽无关