Least square method of polynomial or the method based on the given function are used to fit pump characteristic curve in pump selection or operation.
在水泵的选型或运行中，通常采用多项式的最小二乘法或根据假设的函数关系来拟合水泵性能曲线。
In the drawing module of graph, geometric figure of simulated domain, thermal circulation curve and selection probability of each site and grain size distribution are visual.
在图形显示模块中，实现了模拟区域几何形状、格点热循环曲线、格点选择概率及晶粒尺寸分布的可视化。
In the course of calibration of carbon thermometer, the selection of the experimental formula of carbon thermometer will affect the validity of the calibrating curve greatly.
在碳电阻温度计标定过程中，经验公式的选用对碳电阻温度计标定曲线的正确性有着重大的影响。
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