西湖十景之一的“南屏晚钟”所在地是在()。
A.净慈寺
B.径山寺
C.天童寺
D.普济寺
参考答案:A
解析:西湖十景之一的“南屏晚钟”所在地是净慈寺。
采用高KV值X射线照相法的特点是什么?()
A、能获得较高的对比度
B、适用于厚试样或吸收系数大的试样的照相
C、能获得清晰度较好的底片
D、能扩大被检物的照射范围
An analyst does research about margin transaction. With respect to purchasing stocks using borrowed funds, the minimum equity percentage of the value of the asset that must be maintained by the investor is best described as the:()
A. leverage ratio.
B. initial margin requirement.
C. maintenance margin requirement.