Some problems of conductor in the state of electrostatic balance are discussed by using the diagram of field of Coulomb field, which facilitates understanding of physical field.
利用静电场的场图讨论、分析了导体在静电平衡时的一些问题，加深了对物理场的理解。
Such as: the balance of elastic membrane, the heat conduction of stationary state, the incompressible potential flow, the problem of electrostatic field and magnetostatics field.
例如：弹性膜的平衡问题，稳定状态的热传导问题，不可压缩势流问题，静电场问题以及静磁场问题。
The theory and method of measuring the electrostatic force and the permittivity of vacuum in parallel plate capacitor by electronic balance are introduced.
介绍了用电子秤测量平行板电容器两极板间的静电力和真空电容率的原理和方法。
A null-balance system is provided by balancing the magnetic forces by electrostatic forces.
零位平衡系统是靠静电力来平衡磁力而造成的。
A null-balance system is provided by balancing the magnetic forces by electrostatic forces.
零位平衡系统是靠静电力来平衡磁力而造成的。
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