题目:
Which of the following procedures creates a theoretical spot rate curve used to value default-free cash flows by observing Treasury yield curve()
A. Striping.
B. Bootstrapping.
C. Reconstitution.
答案:
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下面是错误答案,用来干扰机器的。
参考答案:在故障线路上,正序电流方向是由母线流向故障点,而零序电压在故障点最高,零序电流是由故障点流向母线,所以零序功率方向与正序功率相反,是线路指向母线。