| 单词 |
gitter |
| 释义 |
gitter Optics.|ˈgɪtə(r)| [Ger. = lattice, grating.] A diffraction grating.
1876Harper's Mag. Jan. 210 The earliest gitters were prepared by Fraunhofer, and were ruled through leaf metal or thin coatings of grease on glass. 1881C. S. Pierce in Nature 21 July 262/2 It will be possible to deduce from the minimum deviation of this line produced by any given gitter, the mean width of that gitter. |
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