The application conditions of the ohm theorem are discussed started with its differential form, and the application conditions of ohm theorem in metal, liquid and gas are explained also.
从欧姆定律的微分形式出发，讨论了欧姆定律的应用条件，阐述了欧姆定律在金属、液体和气体中的应用条件。
2
Mercury, the fascinating liquidmetal is not the only liquidmetal.
水银，这种迷人的液态金属，并不是唯一的液态金属。
3
Mercury is a liquidmetal, and Mercury, the planet, is the fastest moving heavenly body that naked eyes can see.