拟线性的

Thedata was obtained by experiment and linear regression method was used to fit the penetration ratio of X2ray in explosiveunder different conditions. The decay law was obtained by analyzing the fitted results.

通过试验测定，利用线性回归方法对不同情况下测得的X 射线在某炸药中的穿透率进行拟合，分析拟合结果得出X 射线在某炸药中的衰减规律。

With increasing loading, the reduction degrees of average correlative coefficients of linear fitting functions of isochronous stress axial strain curve and isochronous stress-radial strain curve are 0.97% and 0.67% respectively, which indicates the linear correlation decreases commonly.

随加载应力水平的提高，应力－轴向应变等时曲线和应力－径向应变等时曲线线性拟合函数的平均相关系数下降幅度分别为0.97%和0.67%，线性相关性普遍降低。

Parameter imaging is equivalent to the result of the first step iteration in linear least squares inversion.

在Born近似和线性反演的统一框架下，指出参数成像、线性反演和非线性拟合反演是反演的三个层次。

An optimization procedure is established to obtain location parameter of Weibull distribution, which corresponds to the maximum of the absolute value of the linear regression coefficient.

通过对线性拟合相关系数的最优化求解来确定Weibul分布的位置参数，再由最小二乘拟合便可估计出Weibul分布的形状参数和尺度参数。

This system is fitted separately by six models of before linear system and after linear system and then the optimal model with minimum relative error is chosen to describe the system.

利用前线性系统与后线性系统中的6个模型来分别拟合该系统，从中选取辨识相对误差最小的模型来描述该非线性系统。

During building 2D model, I use the concepts of point, segment, line and plane, the segment can be formed from points, then line can be formed from segments, the closed curved plane can be obtained by around lines, and finally the 2D model can be built by closed curved plane; I express the un-smooth stratum or fault by linear fitting and express the smooth stratum or default by cubic spline fitting segmentally, in this way I can describe the variation feature of 2D interface properly.

在二维建模中，引用点、段、线、面的概念，即由点形成段，由段形成线，由线围成封闭面，封闭面构建成二维模型；对表示二维地层和断层的界面线，用线性拟合表示非光滑性地层或断层面，用分段三次样条拟合表示光滑性地层或断层面，恰当地表达了二维界面的变化特点。

P for short at different temperature was studied by using the method of predictive microbiology. Growth curves were obtained at 4~40℃. and foud that the Gompertz model fit at 10~40℃ with representation of experimental curves which are typical sigmoidal.

结果表明，在10~40℃，副溶血性菌弧的生长曲线呈典型的S形，适合用Gompertz和logistic模型拟合；当温度在4~10℃时，适合用线性回归方程拟合。

By the way, we describe the modified quasi-Newton algorithm used the line search , and have given its global convergence and superlinear convergence.

接下来描述了采用线性搜索的修正拟Newton算法，并给出了它的全局收敛性与超线性收敛性。

According to the number of unknown variables in ideal element fitting, variable substitution is adopted to convert the overdetermined nonlinear equations into overdetermined linear equations. Cumulative sum operator is used to solve the overdetermined linear equations.

根据理想要素拟合过程中待求未知量的个数，运用变量代换，将非线性超定方程组转化为线性超定方程组；对变换后的超定线性方程组施加累积算子，进行未知数求解；最后用仿真实例进行了分析，并与CIRP方法进行比较。

Its implementation processes include:①to perform wavelet transform and frequency decomposition and reconstruction to gain the seismic data with high quality;②to adopt least square method to approach and fit the local secondary curved face, and compute the fit coefficients of the secondary curved face, then use these coefficients to gridding mapping bed plane to compute the average curvature and Gauss curvature, then, obtain other curvatures through the various linear combinations of the two curvatures above;③to generalize the curvature of the bed layer to compute and reconstruct the curvature volume.

其实现过程为：①对地震资料进行小波变换、分频重构，获得高质量的地震资料；②采用最小二乘法一次逼近，对局部二次曲面进行拟合，求取二次曲面拟合系数，并利用这些系数对网格化成图层面计算平均曲率和高斯曲率，再从两个曲率的不同线性组合，获取其他曲率；③将层面曲率推广，计算和重构曲率数据体。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。