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1980 Vol. 5, No. 2

Display Method:
The Modern Principle and Adjustment Methods of Observation
On the Mode of Weighting in Levelling Nets Adjustment
The Approach to some Problems Concering Precision Laser Alignment
Mathematical Model for Systematic Error in the First Order Triangulation Stations
On the Effect of Systematic Errors in Block Adjustment by the Method of polynomials
On the Working Mode of the Compensating Function of an Automatic Level
Dynamic Allocation for the Array Storage of ALGOL Compiler System for Computer TQ-16
Analysis,Comparision aid Improvement of the Method of Measuring Land Surface Area on Topographical Maps