| 单词 |
ocular micrometer |
| 释义 |
Ocular Micrometer
Ocular Micrometer a built-in micrometer in the eyepiece (ocular) of a microscope, geodetic instrument, or astronomical instrument. It is used for exact measurements of small linear and angular distances and for increasing the accuracy of sighting in theodolites. A filar micrometer is most often used as an ocular micrometer. ocular micrometer
oc·u·lar mi·cro·me·tera glass disk that fits in a microscope eyepiece and that has a ruled scale; when calibrated with a slide micrometer, direct measurements of a microscopic object can be made. |
| 随便看 |
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