熔断器是一种当流过熔体的电流超过限定值时,利用熔体熔化作用而切断电路的保护装置。主要用于()和()保护。
某投资项目的计算期为5年,净现值为10000元,行业基准折现率为10%,5年期、折现率为10%的年金现值系数为3.791,则该项目净现值的等额年金为()元。
A. 2000.00
B. 2637.83
C. 37910.26
D. 50000.83
what does THEwomaIl mean?/imgcache/attached/media/20140228/20140228171540_8224.mp3
A. They shouldn’t change their plan.
B. They should change their mind.
C. Weather forecasts are not reliable.
D. The tennis game won’t last long.