曲线拟合

In the experiment, moisture absorption curve from 5℃ to 40℃ were drawn, and then corresponding regression equation of each curve was obtained by curve fitting.

在试验中对烤石莼在5~40℃范围的等温吸湿变化规律进行了研究，将曲线通过计算机拟合获得相应的回归方程。

The program is used for a variety of mixtures of substances absorption spectral data analysis, curve fitting, and by their spectral location of each peak.

详细说明：该程序用来对多种物质混合物吸收光谱数据进行分析，拟合出光谱曲线并且得到其各个峰值位置所在。

The slope of the best fit line for distance doubled and time squared gives the acceleration due to gravity.

距离的两倍与时间的平方的最佳拟合曲线的斜率就是重力加速度。

The accelerograms of some large earthquakes recorded by digital accelerograph s are used for analyzing the features of long period component of strong ground motion.

本文利用近20年国内外大地震时获得的数字强震仪记录分析强震动的长周期分量特性，给出了不同场地上的平均加速度反应谱及其拟合曲线。

Innovative automobile electronic ignition control system is based on the characteristic curve MAP of ignition advance angle to control data,and the insertion value algorithm and changing index exponent curve surface fitting algorithm are chosen dynamically.

新型汽车电子点火控制系统是以点火提前角的特性曲线MAP图为基础控制数据，动态选用插值算法和变阶曲面拟合算法。

On the contrary, regional and residual anomalies separated by the best uniform approximation theory fit fairly well with the theoretical anomaly, with the curves in fairly good agreement.

而利用最佳一致逼近原理分离出的区域场和局部场与理论异常值拟合得较好，曲线基本重合。

But,it is still a problem to find the two parameters of the Beta function for an input image to be adaptively enhanced.

Tubbs通过使用规则化Beta函数拟合对比度变换曲线，能实现图像对比度的自适应变换；但使用该方法需确定Beta函数的两个参数，其参数的自适应选择仍是一个较为复杂的问题。

Methods Compare the area under ROC curve of proportional odds model and its standard errors with of common methods, such as binormal model; evaluate the goodness of fit for the parametric models using the sum of square of residuals of sensitivity and determination coefficient between actual sensitivity and estimated sensitivity.

比较比例优势模型与双正态模型等经典方法所计算的ROC曲线下面积及其标准误；采用灵敏度残差平方和与决定系数两指标评价参数模型的拟合优度。

Scan sampling and Focal sampling methods were utilized to determine the behavior mode, daily rhythm and behavior trends of the nestlings of Great Bustard;Each growth indicator were measured to obtain the growing curves and equations;Correlation analysis was taken between the behavior and growth indicators of young Great Bustard to understand the relation between them.

本实验采用扫描取样法和目标取样法相结合观察大鸨雏鸟的行为模式，研究了大鸨雏鸟行为日节律及其行为随日龄增长的强度变化趋势；定期对大鸨雏鸟各生长指标进行测量，总结大鸨雏鸟的生长发育规律，拟合生长曲线和方程；对大鸨雏鸟的行为和生长发育指标进行相关性分析，确定生长指标与行为变化规律之间的关系。

Growth of cultured winged pearl oyster, Pteria penguin was studied in 20 months in Li'an Lagoon, Hainan, south China. The growth parameters of maximum diagonal length, shell length, hinge length and total weight were measured monthly and described using y=y(subscript ∞)/superscript (1+e-k+d sin (2п/365.25).

对海南黎安港的企鹅珍珠贝养殖群体的生长进行了20个月的观察，每月测量其壳高、最大对角线长、绞合线长和总重四个生长指标，并用模型y=y/1+e(上标-k+d sin (2п/365.25)分别拟合这四个指标的生长曲线。

She gently rebuff ed him, but agreed that they could be friends

她婉言拒绝了，但同意作为朋友相处。

If in the penal farm, you were sure to be criticized.

要是在劳改农场，你等着挨绳子吧！