【多选题】关于偿债基金,下列说法正确的是( )。
C.
其计算公式为:A=F×i/((1+i)^n-1)
D.
i/((1+i)^n-1)称为“偿债基金系数”
【单选题】关于乱挡原因,下列说法错误的是:
A.
互锁装置失效:如拨叉轴、互锁销或互锁钢球磨损过甚
B.
变速杆下端弧形工作面磨损过大或拨叉轴上拨块的凹槽磨损过大
C.
变速杆球头定位销折断或球孔、球头磨损过于松旷
D.
自锁装置的钢球或凹槽磨损严重,自锁弹簧疲劳过软或折断
【简答题】It can be learned from Paragraph 1 that [A] Science intends to simplify their peer-review process. [B] journals are strengthening their statistical checks. [C] few journals are blamed for mistakes in ...
【单选题】It can be learned from the passage that ______.
A.
air journeys are quite often far from comfortable
B.
air travelers usually enjoy luxury during flight
C.
air travelers usually enjoy upgraded conditions
D.
Airlines always provide good-in-flight entertainment
【判断题】( ) 偿债基金系数是已知终值 F ,求年金 A 。
【单选题】关于乱挡原因,下列说法错误的是( )
A.
互锁装置失效;如拔叉轴,互锁销或互锁钢球磨损过大。
B.
变速杆下端弧形工作面磨损过大或拔叉轴上拔块的凹槽磨损过大。
C.
变速杆球头定位销折断或球孔、球头磨损过于松旷
D.
自锁装置的钢球或凹槽磨损严重,自锁弹簧疲劳过软或折断
【简答题】It can be learned from the story that the family had ______ children.
【单选题】关于乱挡原因,下列说法错误的是()。
A.
互锁装置失效:如拨叉轴、互锁销或互锁钢球磨损过大
B.
变速杆下端弧形工作面磨损过大或拨叉轴上拨块的凹槽磨损过大
C.
变速杆球头定位销折断或球孔、球头磨损过于松旷
D.
自锁装置的钢球或凹槽磨损严重,自锁弹簧疲劳过软或折断