経けい距きょ

noun

departure (surveying)

Technical term in surveying and related fields; refers to the east-west component of a traverse line.

• 測そく量りょうでは、経けい距きょと緯い距きょを用もちいて座ざ標ひょうを計けい算さんする。

  In surveying, coordinates are calculated using departure and latitude.