关于矢量与矢量微分之间标积的若干讨论

摘要

The scale products of vector and its differentiation are discussed under different conditions in order to help tyros understand the scale products .%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。