单词zero option
网络: 零点方案；别无选择；零选择
This article describes mainly static, electric power zero option to explore, the computing, and its role and physical status.
本文主要介绍静电场中电势零点的选择探讨，电势的计算以及其作用和物理地位。
In theory Electric PE zero option is arbitrary, but the actual use, and there are many restrictions.
理论上电势能零点的选择是任意的，但在实际的运用中又有诸多的限制。