问答题

迈克尔逊干涉仪单方向旋转刻度轮进行测量是为了
A、调零
B、消除空程误差
C、使得干涉条纹移动
D、干涉效果更好

答案： B

你可能感兴趣的试题

If the exporter and the importer do not know each other well and are located in countries thousands of miles apart, which of the following terms of payment is the safest for the exporter?
A、by D/P at sight
B、by 30%T/T in advance, 70% D/P
C、by an irrevocable L/C at sight
D、by 30% T/Tin advance, 70% irrevocable L/C at sight

答案： D

16、市场上流行花式纱线的面料,设计3个适合花式纱线的组织,注意浮长和综片数的控制。

答案： ["无固定,学生上网查阅"]