英语翻译An amplifier arrangement consists of some active device (transistor,FET,or valve) with biasing components,a source of power,and a load.这句话中的a source of power是应该怎么翻译整个句子又是怎样翻译的呢?

amplifier是什么意思 amplifier是什么意思 Pre amplifier 功放 英文 看不懂This indicator lights when you switch your power amplifier on and stayeilluminated during few seconds (time during the power amplifier makes an autotest).When the indicator lights off,that means the power amplifier is ready to 请翻译an error amplifier with access to the inverting input and output is provided multiplex amplifier 是什么 PROFESSIONAL POWER AMPLIFIER servo amplifier是什么意思 signal-amplifier是什么意思 headphone amplifier是什么意思 differential amplifier是什么意思 BASS POWER AMPLIFIER servo amplifier是什么意思 sensor amplifier是什么意思 current amplifier是什么意思 differential amplifier是什么意思 pre-amplifier是什么意思 英语翻译An amplifier arrangement consists of some active device (transistor,FET,or valve) with biasing components,a source of power,and a load.这句话中的a source of power是应该怎么翻译整个句子又是怎样翻译的呢?