charge up是什么意思

用法例句

Then a short-cut expression of the DC-energy on the systems composed by uniform charged insulation spherical shell is deduced.

通过移动电荷法,研究了均匀带电绝缘球壳间的相互作用能,并给出了由均匀带电绝缘球壳组成的带电体系,其静电能的简捷表达式。