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【单选题】
请在离开前把电源关掉可译为__________A.
Please tuon on the power before you leave.
B.
Please turn off the power before you leave.
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举一反三
【多选题】关于差动脉冲宽度调制电路的说法正确的是( )
A.
适用于变极板距离和变介质型差动电容传感器
B.
适用于变极板距离差动电容传感器且为线性特
C.
适用于变极板距离差动电容传感器且为非线性特性
D.
适用于变面积型差动电容传感器且为线性特性
【单选题】Under-applied overhead will always result when a pre-determined overhead rate is employed, and:
A.
Actual overhead incurred is more than overhead allocated (applied) to inventories
B.
Actual capacity is greater than budgeted capacity
C.
Production capacity is greater than budgeted capacity
D.
Actual overhead costs are less than overhead allocated costs
【单选题】A predetermined overhead application rate:
A.
Expresses an expected relationship between overhead costs and an activity base
B.
Can be determined by dividing budgeted direct labor cost by the budgeted factory overhead costs.
C.
Is computed at the end of the period once actual overhead costs are known.
【多选题】用叠加定理求下图所示电路中的支路电流i【图片】
A.
i 1 ＝ 2A i2 = - 1A
B.
i= i1+i2= 1A
C.
i 1 ＝ 3A i2 = - 1A
D.
i= i1+i2= 2A
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