东经
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Meaning: Eastern Longitude
How to Understand
东经
东经 refers to the eastern longitude, a geographic coordinate used to indicate locations east of the Prime Meridian. It is commonly used in geography and navigation to specify positions on Earth's surface.
The character 东 (dōng) means 'east,' while 经 (jīng) originally meant 'silk' but later came to signify 'longitude' or 'meridian.' Together, they form a term specifically used in cartography and geolocation.
东经 is frequently seen in maps, GPS systems, and weather reports. It helps distinguish locations in the eastern hemisphere from those in the western hemisphere. Understanding 东经 is essential for students studying geography or anyone working with global positioning systems.
Example Sentences
东经120度是上海的经度。
Eastern Longitude 120 degrees is Shanghai's longitude.
在地图上，东经和西经用来确定东西方向的位置。
On maps, Eastern Longitude and Western Longitude are used to determine positions in the east-west direction.