通过逐步回归法、概率测算法、二次平均先进法和简单几何平均法得到北京市宾馆不同节水水平下综合用水定额值；
The total quota of water use in different level of water saving was put forward based on regression analysis, probability estimation analysis, advanced quadratic mean method and geometric mean method.
由此多元回归方程估算得到的各品系蒸腾速率的多天平均理论值与实测值相当一致。
The theoretical means of transpiration rate for many days calculated from these equations are in conformity to the measured values.
而估计值的平均误差，却是度量观察值围绕着回归直线的变化程度或分散程度。
The standard error of estimate, on the other hand, measures the variability, or scatter, of the observed values around the regression line.
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