If there is no voltage gain, but the output power is greater than the input power, the amplifier is a _______ amplifier.
A. voltage
B. power
C. transistor
D. operational
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Electronic circuits can be divided into ____groups:analog and digital.
A. two
B. three
C. one
D. four
列宁提出的“工人阶级的力量在于组织。不组织群众,无产阶级就一事无成。”是在证明组织建设的重要性。()
A. 对
B. 错
“六项注意”指的是上门板、捆蒲草、说话和气、买卖公平、借东西要还、损坏东西要赔偿。()
A. 对
B. 错
Speedoftheactuatorisaffectedby
A. cross-sectionareaofthecylinder
B. velocityofflow
C. pipediameter
D. alloftheabove