Computer · Surveying
Change points in leveling survey work are defined as:
- 1The instrument stations that are changed from one position to another
- 2The staff stations of known elevations
- 3The staff stations that are changed from point to point to obtain the reduced levels of the points
- 4The staff stations where both back sight and foresight readings are taken✓
Correct answer
The staff stations where both back sight and foresight readings are taken
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