亚洲网紅露点

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  • 亚洲网紅露点 comparison: angle of elevation vs. angle of depression

angle of elevation vs. angle of depression

angle of elevation

noun

Surveying.
  1. the angle between the line from an observer or instrument to an object above the observer or instrument and a horizontal line.

angle of depression

noun

Surveying.
  1. the angle between the line from an observer or instrument to an object below either of them and a horizontal line.