摘要
通过分类讨论矢量与矢量微分之间的标积，帮助初学者对矢量与矢量微分之间标积结果的理解．
The scale products of vector and its differentiation are discussed under different conditions in order to help tyros understand the scale products.
出处
《物理通报》
2014年第4期31-32,35,共3页
Physics Bulletin
关键词
矢量
矢量微分
标积
vector
vector differentiation
scale product
