The meteorological representative error is the main source of EDM error, as well as the main obstruct to realize the nominal accuracy of the precision electronic tachometer also.
气象代表性误差是光电测距的主要误差来源，也是实现精密全站仪标称精度的主要障碍之一。
2
Results of the study reveal that the nominal and real exchange rates bear a long run relationship (cointegrated), while the error correction results confirm short-run deviations in the relationship.