电力: [电学] power; electric power◇电力变阻器 power rheostat; 电力捕鱼 electrofishing; 电力潮流 direction of energy; 电力传动 electric drive [transmission]; power drive [transmission]; 电力传动系统 power transmission sy
原理: principle; tenet; axiom; theory 短语和例子根本的原理 a cardinal principle; 数学的基本原理 fundamentals of mathematics; 违反马克思主义的基本原理 contravene the basic principle of marxism; 详述 ... 的原理 develop the theory
Example Sentences:
1.
Protection principle of power system ' s element 电力系统元件保护原理