Even the most brilliant act of human genius, in the final analysis, is an act of trial and error.
即使是人类天才最具才气的行为，归根结底也是一种试错行为。
And then, the thesis makes a error analysis between the real data of model trial and production trial.
并对模型试验和生产试验的数据进行了误差分析。
The traditional trial arithmetic and the graphics arithmetic have many disadvantages, especially the tremendous workload, the bad error tolerance and not having the economic analysis ability.
传统的试算法和图解法工作量大，易产生误差，且无法进行经济分析。
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