词汇	Decline of Middle China
释义	Decline of Middle China 中部塌陷
随便看	common elsholtzia herb common embelia fruit Common Embelia Leaf common embelia root branchlet and leaf common embodiment common emergence commonemitter common emitter common-emitter common emitter amplifer commonemitter amplifier common emitter amplifier common-emitter amplifier common emitter amplifier gain common emitter circuit common-emitter common-base cascade amplifier common emitter common collector cascade common emitter configuration common-emitter configuration common emitter connection common-emitter connection common-emitter current amplification common-emitter current gain common emitter current-gain band product common-emitter equivalent circuit