The arm of a surveying instrument; an alidade.
| 单词 | θ7437 |
| 释义 | the world > the earth > earth sciences > geography > map-making > surveying > [noun] > surveying instruments > part of a surveying instrument > index arm (2) index?a1560 The arm of a surveying instrument; an alidade. index-arm1879 = sense 2b. |
| 随便看 |
英语词典包含1132095条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。