1. Mastery of the trial and error method is important for secure and credible design of the chemical equipment.

2. It will be very time-consuming and expensive using trial and error method to determine the process parameters.

3. This choice can only be made by trial and error method. If some program doesn't work for your blog, remove it and move on to the next one.

4. Engineers used the trial and error method in selecting the other colors.

5. The shortage of using trial and error method was studied, and the casting process design-based on CAE was proposed and tested.

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6. In tradition, the technician must use trial and error method to search the optimal injection molding parameters, which will get the cost and the time required to increase remarkably.

7. Comparing with CAE and ordinary trial and error method used separately, presented method is more efficiency and can be hopefully find wide uses in practical industry.

8. Trial and error method is the main method to resolve the intensity, inflexibility and stability of the component of the equipment.

9. Mastery of the trial and error method is important and credible design of the chemical equipment.

10. The process parameters were usually determined in production by trial and error method.

11. A new method of chemical pipeline calculation is introduced, The method overcomes the shortcomings of the heavy and complex trial and error method has been used.

12. The constructed solving process is to establish a general SBR model firstly, then to derive the suboptimum solution by trial and error method with the help of simulation tools.

13. Emphasis is laid on dealing with process nonlinearity by the trial and error method to determine the optimal fits.

14. To find the service conflicting with the program follow this trial and error method.

15. The example shows that the formula is more efficient than the trial and error method.

16. These direct calculation methods are quite different from the traditional trial and error method and more reliable and easy, which can be used in engineering design instead of trial and error method.

17. The heat treatment regimes of the alloy are constituted by means of the DTA curve analysis and a trial and error method.

18. Limit pump diameter and percentage of submergence are derived theoretically. Trial and error method is used to calculate the rational percentage of submergence and pump setting depth.

19. Based on the elastic theory, a set of matching equation of the contact displacements is solved by the trial and error method.

20. It is expected that QE will improve the function of super-solution phase equation in systematical trial and error method and increase the accuracy of the phase values to be determined.