Engineering applications, the interpolation and regression (curve fitting) function expression usually are used to describe data to solve the problem.

工程应用中通常用插值和回归(曲线拟合)解决函数表达式描述数据的问题。

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Curve fitting method was employed to determine the stability constant of host guest complexes from spectropolarimetric titration data processing.

利用曲线拟合法以处理圆二色谱光谱滴定的实验数据，可以给出更为可靠的主客体络合物的络合稳定常数。

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Before EDM wire cutting die points of non_straight and non_arc lines, an arc for fitting the curve of the die point is necessary so as to calculate wire_cutting programming data.

电火花线切割非直线和非圆弧的模具刃口前，需先用圆弧拟合模具刃口曲线，以便计算线切割编程数据。

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In fact, fitting any simple curve to the data does no better than the straight line.

FORBES: Global Warming Flatliners

Roeder's work revises predictions of lightning deaths by fitting a statistical curve to the historic data instead of averaging over time.

MSN: News flash: Lightning deaths continue to decline in US