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A mathematical model among the investment,cost and income and internal rate of return was established.

在分析高含硫气田开发经济评价特点的基础上，运用技术经济的基本原理，在估算开发投资、成本、收入的基础上，建立了高含硫气田经济评价模型，通过实例计算出不同投资、成本、价格下的内部收益率，并运用SPSS软件对数据进行一元和多元回归处理，得到投资、成本、价格与内部收益率之间的数学模型。

Random measured data is regressed using SPSS software,and the mathematical model among internal returns ratio and the daily production of single well and the well depth was obtained.

利用SPSS软件对随机测得的数据进行回归，得到内部收益率与单井日产量和井深的具体数值方程。

In this paper, theoretical basis for the internalization of environmental cost has been addressed'and mathematical model is established.

论述了环境成本内在化的理论依据，建立了数学模型。

On the base of deep part dissection of acupoints on the upper limbs of human body and the micro and macro observation and measurement, we constructed a mathematical model on the flow of the tissue fluid in interosseous membrane. By this model, we get to know the characteristics of the tissue-fluid flow and the influence of tissue-fluid flow on superficial shear stress of mast cell.

本文在对人体上肢穴位深部解剖和宏微观观察与测量的基础上，通过对人体骨间膜处的组织液三维流动建立数学模型研究，了解在特异性分布的毛细血管和胶原纤维下组织液流动的特异性，及组织液流动对肥大细胞壁面切应力的影响。

Mathematical morphology is used to acquire the contour of the interpolated image.

通过2幅已知的灰度图像，用数学形态学的方法确定出插值图像的轮廓。

The rational interpolation problem is investigated with the elementary mathematical methods.

详细本文研究了RS码的代数译码算法和Turbo码的概率译码算法。

The multivariate polynomial interpolation problem is a classical mathematical problem that is widely used in many fields, such as multivariate function list, surface design and finite element method. In recent years, multivariate polynomial interpolation has been focused by many people, of which the geometric topological struction of sets of interpolation nodes is also much concerned by us.

多元多项式插值问题是一个十分具有研究意义和实际应用价值的数学问题，它广泛应用于多元函数列表，以及曲面的外形设计和有限元法等诸多领域，近年来多元多项式插值越来越受到人们的广泛关注，其中有关插值结点组的几何拓扑结构问题也是人们十分关注的内容。1998年，梁学章和吕春梅在文献[2]中借助代数几何中的有关理论，进一步讨论了沿无重复分量平面代数曲线上的Lagrange插值问题，并应用Cayley ？

Equilibrium; mathematical programming;smootning method; convergence; interpolation problem.

中文主题词：近似问题；数学规划；光滑化方法；收敛性；插值问题。

Our students write and re-write papers, read the classics, compete in math competitions, study primary sources, play in interscholastic athletics, perform Shakespeare, design laboratory experiments, and explore scientific and mathematical problems and experiments.

学生们写作并个性论文，阅读古典文学名著，参加数学竞赛，学习基本知识，参加多样化的运动，表演莎士比亚话剧，设计实验室实验，探究科学数学问题和实验。

Data Envelopment Analysis is an intersectional field of operation research, management science and mathematical economics.

数据包络分析是运筹学、管理科学和数理经济学交叉的一个新的领域，是基于数学规划理论评价具有多个输入与多个输出决策单元间相对有效性的系统分析方法。

You can do some assertiveness training.

你可以进行一些自信训练。

We were well on the path to making a rear-wheel-drive global platform," says Mays."

我们正致力于建立一个后轮驱动的平台，"Mays这样说道。"