由带有正电荷的原子核自旋产生的磁场称为()
A.核磁
B.电磁场
C.核场
D.电场
E.以上都不对
参考答案:A
一次函数y=(3m-8)x+1-m的图象与y轴的负半轴相交,y随x的增大而减小,且m为整数,则m=______.
Which of the following is NOT a determinant of the expected price/earnings (P/E) ratio()
A. Expected dividend payout ratio (D/E).
B. Expected growth rate in dividends (g).
C. Average debt to capital ratio (D/C).