从群的角度出发，导出了量子力学中的基本力学量与对称变换群中的生成元的关系式。
This paper derives the relationship between the fundamental mechanical quantity in quantum mechanics and the generation element in symmetry transformation group.
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。
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.
有第零定律，这些定律中的每一条都定义了，热力学中一个基本物理量的概念，第零定律定义了温度。
There's a zeroth law the zeroth law every one of these laws basically defines the quantity in thermodynamics and then defines the concept.
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