曲线拟合

Finally, the wind velocity data of Nantong observatory are used to verify the methods above-mentioned, and the likelihood ratio method and Kolmogorov statistic are used to test the fitness of the distribution, It is obtained that the distribution of yearly extreme wind velocity of the observatory is in keeping with Frechet distribution, and the experimental distribution form from samples basically coincides with the theoretical ones.

采用南通气象观测站的年最大风速资料进行实证研究，分别用似然比法和Kolmogorv统计量检验分布的拟合优度，得出南通气象观测站年最大风速符合Frechet分布，而由样本值构造的经验分布与理论分布曲线基本相吻合。

We calculate the regression curve about length of erased magnetic record and lightning current peak. We analyze the error of recording data and find a new means about direct measurement of the max lightning steepness with magnetic tapes.

作出磁带消磁长度与霄电流峰值的拟合曲线，对测量数据进行误差分析，找到利用磁带直接测量雳电流最大陡度的新方洁。

Our model can well fit the flattening of bolometric light curve after day 800 and the bolometric light bump.

我们的模型可以很好地拟合800天以后热光度曲线的下降变缓，并首次定量地给出热光度鼓包的解释。

The heat generation curves of seven rubber materials used in tires with the changes of temperature have been obtained by using Dynamic Mechanics Analysis technique on NETZSCH DMA242 instrument, knowing that the heat generation of every other rubber materials except inner liner rubber changes lightly alone with the temperature within 10℃～80℃. According to the Fourier law, the heat transfer coefficients of tire rubber are measured by stable method on self-made experiment instrument. The coefficients changes lineally within 20℃～80℃ and the relation formulas λ=λ〓+bt are given out attached with λ〓 and b. The specific heat of tire rubber are measured on Differential Scanning Calorimeter NETZSCH DSC204 and the relations with temperature are linear and the formula is c=c〓+bT, where c〓 and b gained from experiment result data are presented in the paper. The heat convection coefficients on the surface of rolling tire are measured according to the principle of heat-mass transfer analogy principle after simplifying rolling tire into rotating disk with straight movement on wind channel. The relation with rotation speed of disk is linear as h=5. 399+0.0258n and the relation with straight line speed of tire is linear too, h=

论文采用动态力学分析技术，使用NETZSCH DMA 242型实验仪，获得了轮胎用七种胶料的生热率随温度变化曲线，确知除内衬层胶以外，其它各种胶料在一般胎温范围内（10℃～80℃）的生热率随温度变化不大；轮胎胶料的导热系数根据傅立叶定律的基本原理，采用稳态法在自行搭建的实验台上进行测试，结果表明，材料的导热系数在20℃～80℃的温度范围内随温度呈线性变化，论文给出了各种材料导热系数的线性变化的关系式λ=λ〓+bt及其λ〓和b的值；轮胎胶料的比热运用差式扫描量热原理，在NETZSCH DSC204型DSC实验仪上进行测试，结果表明，胶料的比热随温度的变化呈线性变化，其关系可用c=c〓+bT表示，文中给出了根据实验数据拟合的c〓、b的值；对轮胎表面的对流换热系数的测定，本文先将滚动的轮胎简化为有直线运动的旋转圆盘，而后采用萘升华热质比拟技术，在风洞中测量了滚动轮胎表面的对流换热系数，结果表明，圆盘表面对流换热系数与转速呈线性关系，即h=5.399+0.0258n，轮胎表面对流换热系数与其直线运动的速度呈线性关系，即h=

The author gives two methods to specify the scale interval by using fitting of three—broken—line as well as statistical hypothesis testing based on the estimate of the derivative of the double logarithmic curve.

由于实际动力系统的混沌吸引子其自相似性只能在一定的尺度范围内存在，文中给出了两种无标度区间的确定方法以正确地估计吸引子的分形维数，即三折线拟合方法和通过直接估计双对数曲线上每一点的导数并利用统计假设检验方法确定合理的无标度区间。

Field data of pedestrian flow was collected in Chinese comprehensive passenger transport terminal—Xizhimen underground station using video recording, and then selected and analyzed by statistic analysis software SPSS. Parameters relation models for pedestrian flow on different terminal facilities were established based on data statistics. The results show that the pedestrian flow-density relation model is quadratic equation in corridor; the flow-space relation model is quadratic equation when space is below a certain value and is logarithmic equation when space is above the value; the speed-density relation model is linear equation. The models on stairs show the similar characteristics, but the eigenvalue is different.

对国内综合交通客运枢纽——北京西直门地铁站行人流数据进行视频采集，采用统计分析软件SPSS对行人流参数数据进行筛选及拟合分析，建立了不同设施的行人流参数关系曲线及函数模型，研究结果表明，水平通道处行人流量与密度呈二次函数关系、流量与空间在某一临界点两侧分别呈二次函数及对数函数关系、速度与密度呈线性关系，楼梯处与之相似但特征点数值存在差异。

Results Dry matter accumulation of single root tuber accorded with logistic curve under the conditions of four treatments.

结果4种栽培密度下白首乌个体块根干物质积累动态的拟合均呈Logistic曲线变化。

A kind of method adopting polynomial approaches to match the nonlinear curve of looper tension moment is put forward on the base of analyses of the curve characteristic and project practice.

通过对带钢张力矩计算理论公式的分析并结合工程实际，提出了一种采用多项式逼近来拟合活套张力矩非线性曲线的方法。

Moreover, according to triaxial creep test of rock samples, authors fit the curve of ε-t of the gray-yellow miliolite from fault of Zhaogezhuang Coal Mine respectively by visco-elastoplastic model and Burgers model and obtain their rheological parameters by least squares procedure.

此外，利用三轴压缩蠕变试验结果，分别利用伯格斯模型及西原模型，运用最小二乘法对赵各庄煤矿断层破碎带灰黄色糜棱岩的流变曲线进行了拟合，并求取了流变参数。

Result The phenological characteristics of Nandina domestica from different areas and germplasm resources were basically identical; the growth patterns of cultivated type and wild type were also basically identical while the cultivated type grew faster than the wild type; both the two types grew very quickly in young stage while the annual growth of new shoots and the growth patterns of leaves all followed the fitting curve of the Logistic equation.

结果］南天竹各地理种质资源物候特征基本一致；栽培型和野生型生长规律基本一致，但栽培型的生长速度大于野生型；不管是栽培型或是野生型南天竹的高生长在幼龄期都比较迅速，其新梢的年生长、叶片生长规律都遵循Logistic方程的拟合曲线。

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！