| 单词 | dark-field illumination |
| 释义 | dark-field illumination in British Englishnoun illumination of the field of a microscope from the side so that the specimen is viewed against a dark background dark-field illumination in American English (ˈdɑrkˈfild) the illumination of the field of a microscope by directing a beam of light from the side so that the specimen is seen against a dark background |
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