V2EX geodesy

Geodesy

定义 / Definition

geodesy(大地测量学):研究地球的形状、大小、重力场以及地球表面点位的精确测量与表示的学科。也常用于测绘、地图制作、卫星定位(如 GPS)等领域。

发音 / Pronunciation

/ didsi /

例句 / Examples

Geodesy helps mapmakers measure the Earth accurately.
大地测量学帮助制图人员更准确地测量地球。

Using satellites, geodesy can detect tiny changes in the Earth's surface after an earthquake.
借助卫星,大地测量学可以在地震后探测地表极其微小的变化。

词源 / Etymology

来自希腊语 geōdaisia,由 (“地球、土地”)+ daiein(“分配、划分”)构成,原义与“划分土地、测量土地”相关,后发展为对地球整体进行精密测量与建模的学科。

相关词 / Related Words

文学作品中的用例 / Literary Works

  • James Joyce Ulysses(书中涉及测量、制图与科学话语的语境里可见该词或其相关术语的使用)
  • Thomas Pynchon Gravity’s Rainbow(在涉及火箭轨迹、地图与技术语言的段落中出现科学与测绘相关词汇,包括该词的使用)
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