查询词典 mathematical models

Through the use of a coordinate axis and function tools, it tries to create a mathematical model and integration of the choice funnel and the counter-fact inference, and to make a functional analysis of the funnel model and find the mathematical relationship between the choice funnel and the counter-fact inference, and finally to definite the demarcation of the range of its usage and the limit of its effectiveness.

通过使用坐标轴和函数工具，对"选择的漏斗"和"反事实推理"进行数学建模与整合，对漏斗模型进行函数分析，从而推导出"选择的漏斗"与"反事实推理"之间的数学关系，界定两者的使用范围和效力限度。

The first elucidates the meaning and content of the research of mathematical culture, which can be depicted as a powerful dynamic system, the core of which is the mathematics science, and parts are composed of correlated cultural fields which are interfered by mathematical idea, spirit, method, technology and theory such as.

数学文化可以表述为以数学科学为核心，以数学的思想、精神、方法、技术、理论等所辐射的相关文化领域为有机组成部分的一个具有强大功能的动态系统。数学文化涉及的基本领域包括哲学、艺术、历史、经济、教育、思维科学、政治及各门自然科学。

Correlation of drillability anisotropy index of the roller cone bit and PDC bit, the difference between drillability of the roller cone bit in perpendicular and horizontal directions of the bedding plane with the P-wave velocity anisotropy coefficient are studied respectively by means of mathematical statistics. A mathematical model is established for predicting drillability anisotropy index by using P-wave velocity anisotropy coefficient.

用数理统计方法研究分析了牙轮钻头岩石可钻性各向异性指数、牙轮钻头垂直于和平行于地层层面方向岩石可钻性差值和PDC钻头岩石可钻性各向异性指数与纵波波速各向异性系数的相关关系，建立了用纵波波速各向异性系数评价地层可钻性各向异性的模型。

The mathematical model of gas carburization is mathematical description of all kinds of physical and chemical phenomena in the process of carburization.

气体渗碳数学模型是渗碳过程中各种物理、化学现象的数学描述。

To define that the mathematical methods and mathematical cerebration are permeated and confined with each other, and there's always no difference between them.

本文共分五章，每章主要内容如下：第一章介绍了数学方法、数学思想的含义及二者之间的关系，明确了数学方法与数学思想之间是互相渗透、互相制约的。

For this reason, I gathered, analyzed and summed the conduct of the students in solving mathematical problems in my teaching. At the same time I also studied the reflection of the mathematical cerebration in their teaching.

尤其在当今教育教学改革的大潮中，把数学思想方法的渗透作为改革重点之一，已是摆在我们面前及待解决的课题。

I tried to discover that when student's solving problems, the developing level of students adapt the dialysis of the mathematical cerebration and methods. Then I try to give some advices of my teaching on how to permeate the basic mathematical cerebration.

鉴于此，我在教学实践中，对学生解决数学问题的表现进行了收集、分析、总结；同时也对教师在授课中数学思想方法的体现进行了分析研究。

And it gives some suggestions to teachers on stressing the cerebration teaching in classroom teaching, explaining mathematical cerebration and methods actively, pointing out the principles and measures of enhancing mathematical cerebration and methods.

对教师在课堂教学中突出思想教学、积极探索数学思想方法教学提出了建议，指出加强数学思想方法教学的原则和具体措施。

If there's any mistake, I beg your pardon to point it out and correct it. There're five chapters totally in this paper, and the each main contents is al follows: Chapter 1, it introduces the mathematical methods, mathematical cerebration's implication and the association between them.

发现学生在解题时，其发展水平与思想方法渗透之间相适应和不相适应的行为表现，据此提出自己对在数学课堂教学中如何渗透数学基本思想方法的一点看法。

By using the mathematical method of curve integrals,it derives the mathematical formula to calculate the cross-section ductile coefficient of RC ring section member.

从钢筋混凝土正截面承载力计算时的基本假定出发，建立了环形截面上各种应力图形的函数表达式，利用曲线积分的数学方法，推导出计算钢筋混凝土环形截面构件截面延性系数的数学公式。

Liapunov—Schmidt method is one of the most important method in the bifurcation theory.

Liapunov—Schmidt方法是分叉理论的最重要方法之一。

Be courteous -- even when people are most discourteous to you .

要有礼貌──即使当別人对你最不礼貌的时候。