| 释义 |
〔target〕The sliding sight on a surveyor's leveling rod.标板:勘测水准标尺上的滑动观测器〔theodolite〕An optical instrument consisting of a small mounted telescope rotatable in horizontal and vertical planes, used to measure angles in surveying, meteorology, and navigation.经纬仪:一种由一个小的可在水平面和垂直面旋转的望远镜构成的光学仪器,用于勘测、气象和航海中测量角度〔Hayden〕American geologist who explored the Great Plains and the Rocky Mountains and helped establish Yellowstone National Park (1872).海登,费迪南德·范德维尔:(1829-1887) 美国地理学家,曾勘测过大平原和落基山脉,并协助建立黄石国家公园(1872年)〔Gannett〕American cartographer who was chief geographer of the U.S. Geological Survey (from 1882) and helped found the National Geographic Society (1888).甘尼特,亨利:(1846-1914) 美国地图学家,他是美国地质勘测杂志(从1882年)的主要地质学家,并帮助成立了国家地理学社(1888年) |