- The density of the required data of astronomical measurement, gravimeter survey and geodesic survey is not satisfied.
- In the past, in geodesic surveying, a system of formulas derived from spherical trigonometry was used.This method is much complicated and the precision of the results is not sufficiently high.
- This survey is the work of a real professional.
- Cargo survey and find below standard filing claim.
- The survey covered a broad spectrum of topic.
- She continued her survey of the landscape.