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1. Relative error is 1 %, even is bigger.

2. The relative error of the vane interference was less than 2 %, which meets actual requirements.

3. The turbidity experiments show that the relative error is not more than turbidity meter.

4. The relative error between the predicted value from BP network and observed value was lower than 4%.

5. Results 25 labs are up to grade, the relative error of 5 labs is up to 10%.

6. The accuracy and relative error are computed by means of exact method as control group.

7. The simulation example shows the most generalized relative error is 5.611%. The predicted value is near the actual output.

8. The average relative error of calculation is lower than 1.0 %.

9. Based on the relative error minimizes principle, the grey combination prediction model was discussed.

10. The relative error of the result was less than 3.0 %.

11. Compared with the numerical solution,(sentence dictionary) the relative error are less than 3 %.

12. The check result indicated that J9 the forecast model can control the predicted value relative error in 5%, the J15 forecast model can control in 3%.

13. Experiments show that the best semantic structured language model? headword trigram model? achieves 0.8% absolute error reduction and 8% relative error reduction over the trigram model.

14. The calculated self-diffusion coefficients of water agreed well with the experimental ones within less than 5 percent relative error.

15. The planar diode is calculated by means of MCM and compared with the analytical solution. The relative error is 0.8%.

16. This paper puts forward some practical formulae of measuring the area and arc length of arch form, and analyses the relative error of these formulae.

17. Calculation examplesaccording to both module system and circular pitch system are carried out, The relative error in both cases are within point naught three per cent.

18. Based on the statistics of a large sample of data, the Boltzmann constant is determined at a relative error of 4%.

19. In comparison with BP method and RBF method, the SVM method is proved to be the best in terms of absolute error, relative error, correlation coefficient and variance.

20. A new type of respiratory inductive plethysmography (RIP) has keen designed based on digital demodulation technique with equal relative error.

21. The simulation results of water vapor amount have an average relative error of 6% by compared with the independent radiosonde observation.

22. Estimation of GM(1,1) model parameter usually adopts the least square criterion, but test of model precision often uses average relative error criterion.

23. With a little cost augment , an electronic switch is applied to discharge the dis-tributing capacitors, and the relative error reduces to an acceptable level.

24. The standard error of prediction (%SEP), the mean prediction error (MPE) and the mean relative error (MRE) were utilized to evaluate the prediction ability of the BP-ANN.

25. With the hexamethylene as solvent and naphthalene as solute, the relative error of molar mass of naphthalene measured is not much as 1%.

26. The experimental results showed that the forecasting value based on the model agrees with relative error.

27. Result 21 labs are up to grade , the relative error of disqualifications is over 10 %.

28. Through an experiment for free-form surface measurement, the approach is proven to be simple for parameter computation and its relative error for space length measurement is better than 0.56%.

29. The predictions of resistance loss using CFX for two configurations of silencers are compared with experimental results, and the relative error is within 5%.

30. In contrast to high precision digital multimeter , the system measuring relative error is less than 1 %.