| 单词 | dark-field |
| 释义 | dark-field[ dahrk-feeld ] / ˈdɑrkˌfild / adjective Optics.of or relating to the illumination of an object by which it is seen, through a microscope, as bright against a dark background. Origin of dark-fieldFirst recorded in 1860–65 Words nearby dark-fielddark current, darken, dark energy, darken someone's door, dark-eyed junco, dark-field, dark-field illumination, dark-field microscope, dark glasses, dark horse, dark internet Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 |
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