大学MOOC Engineering Electromagnetics(Harbin Institute of Technology)1461269162 最新慕课完整章节测试答案
Chapter01 Vector Analysis(Part 1)
01_01 Quiz
1、单选题:
In Cartesian coordinate system,
refers to the vector from point (2,4,1) to point (0,2,0), then the unit vector of
is ( )
选项:
A: 
B: 
C: 
D: 
答案: 【
】点我阅读全文
