【计】 battery-powered machine
battery; cell; pile
【化】 cell; electric cell; electric cells; element; galvanic element
【医】 battery; battery cells; electric battery
electrical source; power source; power supply
【计】 power source; power supply; PS; supply power
【化】 current source; electric source; power source; power supply
supply source
counter
【计】 calculator; computing counter
【化】 calculator
【经】 calcuator; counter; countermachine