Further, the least square method has been applied to get linear curve fitting and the SDL7432 linear measurement curve has been given.
利用最小二乘法对测量数据进行了线性曲线拟合，得出了SDL7432的线性测量曲线。
The relationship of monthly power supply and monthly temperature, precipitation, humidity etc, were calculated based on distilling weather electricity quantity by means of linear curve fitting.
结果表明：月用电量，特别是生活用电量与气温、降水、相对湿度等气象要素关系密切。
Conclusion the polynomial fitting curve is the perfect linear evaluation method. It guarantees both the accuracy and reliability of the experimental results, and is more suitable to clinic.
结论多项式拟合曲线是较为理想的线性评价方法，既保证了实验结果的准确性、可靠性，而且更适用于临床。
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