- In order to study the application of modern interfering technology,the method for measuring the zero light path difference in white light interfering in the application of absolute length or displacement measurement is given in this paper.
- A NEW TYPE OF GRATING TO MEASURE ABSOLUTE LENGTH AND ITS ERROR CORRECTION
- That hill's an absolute doddle (to climb).
- We now have the absolute proof of his guilt.
- My walking stick is the same length as yours.