第二曲线

诸如，第二曲线、虚拟企业、企业群落和利润池。

Such as the second curve , virtual enterprise , clusters and profit pool .

二是在衰退期，通过引入第二曲线思想，研究了企业在该阶段进行持续创新，研发新产品的重要性及其方式。

Second , in the period of recession , through the introduction of the " second curve " thinking , study the importance and the method of continuous innovation .

旅游地复兴的第二曲线理论及其路径

Researchs on tourism area rejuvenation and paths basing on 2nd curve theory

积分路径上含有孤立奇点的第二类曲线积分

The Second Sort of Curve Integral of Isolated Odd Point in Integral Path

无穷曲线上的第二类曲线积分

The Second Kind of Curvilinear Integral on Infinite Curve

平面上第二类曲线积分的对称原理

Several Principles of Symmetry for the Line Integral of Vector Fields on the Plane

第二型曲线与曲面积分计算的基本方法与技巧

Fundamental Method And Techniques of Calculus of Second Type Curvilinear Integral And Surface Integral

对第二类曲线积分的教学方法进行了探索，提出了自己的做法.第二部分阐述了教学方法；

This article expounds the teaching method reformation of second curvilinear integral , bring upped the own way of doing .

带缓和曲线同向复曲线第二圆曲线半径的计算及曲线的测设

Calculation of the Radius of Second Circle Curve of Compound Curve with Transition Curves and Layout of the Compound Curve

引入了定义在曲线上的函数的单调性概念，在此基础上证明了第二型曲线积分的第二中值定理。

On the base of these notions , the second mean valued theorems for the second type curve integral are proved .

由于第二类曲线积分与曲面积分涉及到方向性问题，因此利用对称性来计算较为困难。

The second kind of curvilinear Integral and surface Integral are concerning orientation , so it is hard to calculate them with symmetry .

河流轴线与第二条曲线交点里程的计算

The Calculation Theory and Its Application on How to Work out the Kilometrage of the Crosspoint at the River Axis and the Second Curve

本文给出平面上第二类曲线积分的两种不同方向的对称原理。

We establish several principles of symmetry for the line interal of vector fields on the plane based on two different orientations the integral curves .

本文着重研究在具有有限多个孤立奇点的区域D上，如何运用格林公式，简化较为复杂的第二类曲线积分的计算问题。

This paper emphatically discusses how to apply the Green 's Formula on a connected domain D of finite isolated singular points and simplifies the complicated problem of the second kind of curvilinear integral calculation .

论述了关于面、线、点对称的曲线上的广义奇、偶函数的第二类曲线积分及关于原点对称的曲线上的奇、偶复变函数积分的一个性质。

A property of curvilinear integral about coordinate of generalized odd and even function in the symmetrical curve about plane , line and point is discussed , with the property of complex integration of odd and even function in the symmetrical curve about origin also studied .

第二，基于曲线变换技术的形态数值创建方法，该方法是以NURBS曲线为基础，利用梯度法通过调整曲线形状控制变量来实现曲面应变能最小的形态优化目标。

Since this method is based on NURBS curves , control variables of which can be adjusted to acquire freeform surfaces with minimum strain energy using gradient method .

第二章：曲线的数据压缩；

Chapter 2 : Data compression of curve .

第二，利用曲线拟合确定调形。

Determine pitch contours by curve fitting .

第二型无穷曲线积分

The second infinite curve integral

本文给出了第二型无穷曲线积分的概念，讨论了其性质与收敛的判别方法。

The concept of second infinite curve integral is presented and its quality and discriminance of convergence are discussed .

第二章为曲线的基础知识，主要介绍了曲线的参数方程，曲线论的基本公式，曲率和挠率的几何意义及曲线的光顺理论，重点讨论了曲线的能量优化法。

We mainly present parameter equations of curves , the basic formula of curve theory , the geometric meaning of curvatures and torsions , and the fairing problem of curves .

第二步，通过曲线逼近实现NURBS曲线的整体光顺和局部光顺。

The global and local fairing for the NURBS curve were implemented through approximation .

第二部分为BSC曲线曲面的理论。

The second one emphasizes in the theory of BSC curves and surfaces .

第二章介绍Wang-Ball曲线的定义及性质，以及Wang-Ball曲线的递归求值算法，利用Wang-Ball基函数的对偶泛函，作者在这里给出Wang-Ball曲线的显式细分算法，并由此导出几个计算组合恒等式。

Chapter two is focused on the Wang-Ball curves , including definition , properties and recursive algorithms . Using the dual functional of the Wang-Ball basis , the author derives the subdivision algorithms for the Wang-Ball curves for the first time and then obtains some identical equations of calculation combination .

通过实例验证表明，运用第二代小波变换进行曲线光顺，运算简单，易于推广。

Curve smoothness adopting the second generation wavelet is verified in a specific instance , and remonstrating the method of simple algorithm is favor of application .

第二章是椭圆曲线算法的数学原理及一些本论文要使用的相关数学理论概念，包括数学对象的符号与表示，并详细描述椭圆曲线的密码学方案。

Chapter 2 provides certain algebraic and geometrical principles of ECC and some necessary mathematical materials used in the paper , including notation and representation of mathematical objects .

对丝羽乌骨鸡肉用新品系第一世代和第二世代的体重累积生长曲线和日增重曲线的比较表明：第二世代的生长曲线比第一世代的波动小，生长高峰提前了两周。

By describing growing curve of body weight and average daily gain of the first and second generation on silkies , the latter is found more steady and growing peaks is shortened by two weeks .