Computer · Surveying
What geometric relationship is adjusted or verified during a spire test in surveying?
- 1The line of sight is perpendicular to the horizontal axis
- 2The line of sight is perpendicular to the vertical axis
- 3The horizontal axis is perpendicular to the vertical axis✓
- 4The cross-hair is perpendicular to the horizontal axis
Correct answer
The horizontal axis is perpendicular to the vertical axis
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