lon
gi
tude
复数形式
longitudes
1
经度, 子午线
the distance of a point east or west of the meridian at Greenwich that is measured in degrees
- Longitude measures how far east or west a point is from the Prime Meridian.
经度测量一个点距离本初子午线的东西方向有多远。
- The longitude of New York City is approximately 74 degrees west.
纽约市的经度大约是西经74度。
- Mariners use longitude to navigate across the oceans using celestial navigation.
水手们使用经度通过天体导航在海洋中航行。
- Geographic information systems (GIS) rely on longitude and latitude coordinates for mapping.
地理信息系统（GIS）依赖于经度和纬度坐标进行制图。
- Time zones are determined based on lines of longitude around the globe.
时区是根据地球上的经度线确定的。