We build a city commercial bank efficiency appraisal model on the basis of on city difference coefficient.
建立了基于城市差异系数的城市商业银行效率评价模型。
The analytical results should be modified by a difference coefficient when the uneven character analysis is based on all the arriving ships.
若采用全部船舶到船资料分析到船不均衡性时，需用差异系数对分析结果进行修正。
The difference coefficient was used to replace the exact derivative which is difficult to be computed, and a new algorithm was presented by using the idea of reduced gradient method.
利用差商代替难以计算的精确导数，结合既约梯度法的思想建立新的算法；在目标函数一致凸的条件下证明了既约差商法的整体收敛性。
A method for forecasting daily gas load based on air temperature variation, namely temperature difference coefficient method is put forward, and the satisfactory forecasting result is acquired.
提出了基于气温变化的燃气日负荷预测方法——温差系数法，取得了较好的预测效果。
A method for forecasting daily gas load based on air temperature variation, namely temperature difference coefficient method is put forward, and the satisfactory forecasting result is acquired.
提出了基于气温变化的燃气日负荷预测方法——温差系数法，取得了较好的预测效果。
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