通过对实验数据的量纲分析和逐步回归分析，提出了确定摩擦系数的基本公式。
Therefore, fundamental equations of the friction coefficients are presented using dimensional analysis and progressive regression analyses of the data.
结论：蕴涵物体动力学过程因果关系的量纲关系可以阐述生物体生长、发育的基本规律。
CONCLUSION: Dimentional relationship is related with the dynamic mechanism and it is very valuable for the development of the organism.
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.
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.
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