例句與造句

1. Separating the test and reference flats allows the two flats to be tilted with respect to each other.
2. A precisely figured reference flat is placed on top of the flat being tested, separated by narrow spacers.
3. The reference flats are resting with their bottom surfaces in contact with the test flats, and they are illuminated by a monochromatic light source.
4. They can only be done by hand scraping if both a reference flat surface " and " a reference angle block is avalailable.
5. Fig . 13 shows photos of reference flats being used to check two test flats at different stages of completion, showing the different patterns of interference fringes.
6. It's difficult to find reference flat in a sentence. 用reference flat造句挺難的
7. The reference flat is slightly beveled ( only a fraction of a degree of beveling is necessary ) to prevent the rear surface of the flat from producing interference fringes.