It is formalism and the dimension unit of information speed, information acceleration, information field, space and time information speed and the social information speed and so on.
有信息速度、信息加速度、信息场，时空信息速度与社会信息速度等新概念的形式体系和量纲单位，是信息动力学、信息力学，信息哲学的基础。
Express the unit and dimension for the electric field in terms of unit and dimensionality of charges, if we take the permittivity of the empty space as dimensionless quantity.
我们是通过电的单位和量纲来表示电场的单位和量纲的，如果我们把真空的电容率定义为无量纲的量，请用基本力学量米、千克、秒来表示电荷的量纲。
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