题目内容

莫尔条纹移动方向与两光栅相对移动方向垂直

A. 对
B. 错

查看答案
更多问题

光栅是如何实现辨向的?

What is meant by “It’s no wonder many British people think in sporting seasons rather than years.”?

What kind of role do sports play in the lives of British people?

Can you name some sports that first appeared in Britain?

答案查题题库