特征曲线

It is composed of a deformable parametric curve and corresponding energy function.

主动轮廓模型是一种基于高层信息的目标轮廓特征提取算法，它由一条可变形的参数曲线及其相应的能量函数组成，以最小化能量函数为目标，控制参数曲线变形，具有最小能量的闭合曲线就是目标轮廓。

The thought of defining characteristic section and dividing superelevation transition segment into several smaller segments according to the characteristics and types of S-type curve s superelevation transition segment is put forward.

根据S形曲线超高过渡的特点、类型确定超高过渡段中的特征断面，提出S形曲线超高过渡分段处理的思路，并给出 S型曲线超高过渡段上任意桩号处、横断面上任意点超高值的简单计算公式。

Sixthly, research on seismic performance of repaired HSC column after hightemperatures The nonlinear whole process analysis method of reinforced concrete is used.Programs of moment-curvature and shear force-displacement of repaired HSCcolumn are developed after exposed to four sides and two symmetrical sides fire.Seismic performance of repaired reinforced HSC column after fire is studied. Byanalyzing the calculating results, the corresponding formulas of characteristicparameters of their skeleton curves of repaired HSC column after fire are proposed,and it is compared with corresponding curve of unfired columns.

火灾后已修复高强混凝土柱的抗震性能研究利用钢筋混凝土非线性全过程分析方法，编制了火灾后(包括四面受火和双面对称受火)已修复高强混凝土柱截面弯矩一曲率关系和剪力—位移关系的计算程序，对火灾后己修复高强混凝土柱的抗震性能进行了研究，通过对计算结果的分析和整理，给出了火灾后已修复高强混凝土柱M-φ及P-△骨架曲线特征参数的回归计算公式，并将上述曲线与未受火柱的相应曲线进行了比较。

The results showed that both the break point on the Ia-c curve and the minimum of the derivative variation corresponding to the λa-c curve agreed very well with the critical micelle concentration of the surfactant in aqueous solution as measured by surface tension technique.

以对二甲氨基苯甲腈为探针，测定它在表面活性剂(C12TABr、SDS、C12E23、C12-3-12·2Br)水溶液中的第二重荧光强度和对应的特征波长对表面活性剂浓度曲线，由Ia-c 曲线的转折点或λa-c曲线对应的一阶导数极小点可以获得临界胶团浓度。

The results of low-cycle fatigue tests were used to analyze fatigue life curve of pressure vessel.

把低周疲劳特征研究结果应用于压力容器疲劳寿命曲线分析，并将焊缝实验结果与著名的Langer疲劳计算曲线及美国ASME规范设计曲线进行了比较，为16MnR钢焊接压力容器的疲劳寿命设计提供了理论依据。

In the fourth part, the experiment equipment is established, images are captured through CMOS, and the result of experiment is analyzed and the calibration curve is drawn, due to the non-linear characteristic of the used light-sensitive transducers calibration, the method of using piecewise linear line to approximate CMOS calibration curve is proposed, which decreased the measurement errors greatly, analyzed the measurement errors and proposed the methods of minishing errors.

第四部分搭建了实验装置，通过CMOS采集了大量的图像，分析了实验结果，做出了标定曲线，鉴于标定曲线的非线性特征，采用逐段折线逼近该标定曲线的方法，大大减小了误差，并进行了误差分析和提出了减小误差的方法。

In the fourth part, the experiment equipment is established, images are captured through CMOS, and the result of experiment is analyzed and the calibration curve is drawn, due to the non-linear characteristic of the used light-sensitive transducer's calibration, the method of using piecewise linear line to approximate CMOS calibration curve is proposed, which decreased the measurement errors greatly, analyzed the measurement errors and proposed the methods of minishing errors.

第四部分搭建了实验装置，通过CMOS采集了大量的图像，分析了实验结果，做出了标定曲线，鉴于标定曲线的非线性特征，采用逐段折线逼近该标定曲线的方法，大大减小了误差，并进行了误差分析和提出了减小误差的方法。

This is directly related to the accumulation and elimination of electronic charge in the interface between ZnSe and electrode, which is accordance with the ρ〓-V curve.

晶体的C-V、I-V曲线反映了n-ZnSe半导体的电学特征。C-V、I-V曲线正向电压漂移与电极接触处电荷累积与耗尽有关，并在载流子浓度与电压的变化曲线上得到反映证实。

The results show that oil production predicted by the curve of heavy-oil type is lower than that by the latter curve.

此外，本文还取得下列认识和结论：运用同一组分模型但不同的两组油气相对渗透率曲线（一组是常用&黑油&类型相对渗透率曲线；另一组是反映了凝析油气低界面张力特征的相对渗透率曲线）模拟牙哈—实际凝析气藏等容衰竭过程。

With the changing patterns of the work curve as the basis,this study advanced an objective index known as "Work Quotient",with which we can obtain a general knowledge about the distribution of the work curves by the subjects as well as the suitability and deviation degree of the standard...

并根据作业曲线的变化特征提出了&作业商数&这一客观化指标，可以对受测者作业曲线的总体分布以及与标准作业曲线的符合或偏差程度有大致的了解，并由此推断个体心理机能各方面基本倾向是比较协调还是略有偏差等。

At the rear was an innovative combination transaxle with the gearbox, clutch, differential, and inboard-mounted drum brakes.

在后面是与变速箱，离合器，差的创新结合变速，和内侧安装鼓式制动器。

For more people can apprecaite and have the master work, there is reproduction painting appears in the market, the large various selection of paint,the high saturation of color plus the plentiful sfumato, to make the reproduction perfect copy and detail as original painting, so as to meet the requirment of amateurs who love art paintings,they do not need to pay high price to get classical paintings.

颜料色域广，色彩饱和度高，色彩层次丰富，图像色彩还原真实，能完美的复制原作，满足艺术爱好者欣赏，艺术爱好者们不用支付昂贵的价格就能拥有经典油画。