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。
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。
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.
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