| 释义 |
Ordnance Survey mapBrE /ˌɔːdnəns ˈsɜːveɪ mæp/ NAmE /ˌɔːrdnəns ˈsɜːrveɪ mæp/ noun a very detailed map of an area of Britain or Ireland , prepared by an organization called the Ordnance Survey , which is supported by the government （由英国或爱尔兰政府资助的全国地形测量局所绘制的）全国地形测绘详图 |