But due to the huge workload and the complexity of calculation, evaluation work often becomes burden on appraisers.
但是，由于经济评价的工作量大、计算繁琐，为评价人员增加了沉重的工作负担。
The Main Component Analytical Method is applied to choose the attributes and simplify the complexity of calculation.
用主成份分析法进行特征提取，简化计算的复杂度。
In response to the complexity of calculation for failure probability regarding fatigue crack growth life, a method for reliability analysis based on neural network response surface was presented.
针对疲劳裂纹扩展寿命失效概率计算的复杂性，提出基于神经网络响应面的可靠性分析方法。
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