Computer · Surveying
What is the primary function of a tie line in chain surveying?
- 1To divide the primary framework of the survey area into two symmetric halves
- 2To demarcate the outer perimeter boundary of the survey area
- 3To check the accuracy of the framework and locate interior details✓
- 4To directly measure steep vertical angles and elevations
Correct answer
To check the accuracy of the framework and locate interior details
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