【計】 bus plane

電源的英語翻譯：

electrical source; power source; power supply
【計】 power source; power supply; PS; supply power
【化】 current source; electric source; power source; power supply
supply source

層的英語翻譯：

layer; region; stage; story; stratum; tier
【計】 layer
【醫(yī)】 coat; lamella; lamellae; lamina; laminae; layer; strata; stratum