The practices show that it achieves the goal of raising performance and saving energy by applying variable frequency speed adjusting. The economic and comprehensive benefits are noticeable.
实践表明，收尘排风机控制系统采用变频调速后，达到了提高系统性能和节能的目的，其经济效益和综合效益显著。
Based on the criterion of deviation squares sum, a general forecasting equation is set up by using goal programming. It has advantages over the analysis of multi-variable linear regression.
提出依据离差绝对值和准则，用目标规划建立多元线性预测方程，该方法优于回归分析。
Based on the criterion of deviation squares sum, a general forecasting equation is set up by using goal programming. It has advantages over the analysis of multi-variable linear regression.
提出依据离差绝对值和准则，用目标规划建立多元线性预测方程，该方法优于回归分析。
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