【计】 power requirement
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
demand; desire; ask; challenge; claim; mandate; postulate; request; require
【计】 claimed
【化】 requirement
【医】 demand
【经】 call; postulation; request; requisitioning; solicit