曲线

Students can learn how to draw single pipe characterization curve and parallel pipe characterization curve through the experiment, and analyze the effect of different valves opening on pipe characterization curve.

通过实验，学生能够掌握单支管路阻力特性曲线的绘制和并联管路阻力特性曲线的绘制方法；能够分析不同阀门开度对管路阻力特性曲线的影响。

This paper briefly introduces the area calculation problem of a block,the boundary of which includes the easement curve or its parallel curve .

该文论述了以缓和曲线平行线为边界的地块面积的计算特点，推出了缓和曲线或其平行线弓形面积的严密计算公式，讨论了已知缓和曲线平行线弧长或坐标值计算弓形面积的问题，给出了相应的算例。

Set up a child in a plane curve walk along this curve by the time parameter curve.

详细说明：设一个小孩在平面上沿着某曲线行走，此曲线由时间参数曲线确定。

Set up a child in a plane curve walk along this curve by the time parameter curve....

设一个小孩在平面上沿着某曲线行走，此曲线由时间参数曲线确定。

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。

In computer-aided manufacturing, the processed parametric curve and surface should be regular, so the parametric curve and surface generated by computer-aided design should be regular first.

在计算机辅助制造过程中，要求所处理的参数曲线曲面是正则的，前提是计算机辅助设计得到的参数曲线曲面是正则曲线曲面。

Objective To elucidate and compare the parametric method and non-parametricmethod in estimation of the area under ROC curve, so as to provide a basis fortheir application in diagnosis assessment.

中文摘要：目的本研究旨在以ROC曲线分析的理论与实例相结合的方式，阐述Hanley和McNeil非参数法、双正态模型参数法估计ROC曲线下面积，以及通过两个小样本(每组例数均＜100)实例探讨两种估计方法结果的差异，为医务工作者选择适宜的ROC曲线下面积的估计方法提供参考。

Besides, they can not nefleat the neal property out anditory function. Based on the mechanism of real auditory system, a mathematical model is established in which a forward feed back pash is introduced and the static gain curve is derived from input-output curve, therefore the model has dynamic property.

我们根据听觉的生理学机制，建立前馈自适应模型，从输入输出特性曲线上引出静态增益曲线，再在静态增益曲线上引入动态过程，由此建立的数学模型，利用心理学试验数据得到模型参数。

To some extent, using a plane curve to approximate an offset curve of the plane Bézier curve is restricted.

摘要用一条平面曲线来逼近平面Bézier曲线的等距曲线具有一定的局限性。

An analysis of living example was carried out by the use of C language programming and obtained the tangential polar coordinates equation of the optimal pitch curve of noncircular chain wheel.

探讨了非圆链轮传动中，基于理论松弛量的非圆链轮节曲线的优选，建立了在最小理论松弛量时，非圆链轮节曲线优选的数学模型，并利用C语言编程进行了实例分析，得出了最优非圆链轮节曲线的切线极坐标方程。

I will endeavour to find you some assistance.

我尽力帮你找人帮忙。

At first I only know bruck is the idol of American younglings, afterwards I returned back to Taiwan ,even in Beijing last year ,I saw her poster everywhere, I was so surprised at her charm.

起初我只晓得布鲁克雷德丝是美国少男少女崇拜的偶像，后来回台湾，甚至去年在北京，居然也四处看见她的海报，才惊讶她的魅力之大。