光栅式位移传感器具有检测精度和分辨率高、抗干扰能力强、稳定性好、易与微机接口，便于信号处理和实现自动化测量等特点
查看答案
莫尔条纹移动方向与两光栅相对移动方向垂直
A. 对
B. 错
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?
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