the datum line to which all heights are referred in the Ordnance Survey, corresponding to mean sea level at a specified point (since 1921…
| 单词 | θ7395 |
| 释义 | the world > the earth > earth sciences > geography > map-making > surveying > [noun] > datum for heights (3) ordnance datum1869 the datum line to which all heights are referred in the Ordnance Survey, corresponding to mean sea level at a specified point (since 1921… Subcategories:— spot height (2) |
| 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。