盲区会随脉冲宽度的变宽而变大,而脉冲宽度越大,OTDR的()也越大。
参考答案:动态范围
At the beginning of the year, two companies issued debt with the same market rate, maturity date, and total face value. One company issued coupon-bearing bonds at par and the other company issued zero-coupon bonds. All other factors being equal for that year, compared with the company that issued par bonds, the company that issued zero-coupon debt will most likely report:()
A. higher cash flow from operations but not higher interest expense.
B. both higher cash flow operations and higher interest expense.
C. neither higher cash flow from operations nor higher interest expense.
下列对IPv6 地址FF60:0:0601:BC:0:0:05D7 的简化表示中,错误的是()
A.FF60::601:BC:0:0:05D7
B.FF60::601:BC::05D7
C.FF60:0:0:601::BC::05D7
D.FF60:0:0:601:BC::05D7