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。
We detected the chopped light using this function and drawed the time-resolved curve by the plot program compiled by ourselves. The results fit with our design.
运用这一功能，对斩波光进行探测，并用自编绘图程序作出了其时间分辨曲线，实验结果与预计符合较好。
A analytic function can be derived to fit the observed amplitude value curve.
根据观测振幅曲线，可以求出拟合此观测值的解析函数。
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