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22
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6
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mathematics

physics

computers (software)

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Amostra de Tradução Mathematics

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Fonte (English)	Destino (Chinese)
In order to help the reading of the next chapters, a quick classification of various mathematical problems encountered in the modelization of physical phenomena is proposed in the present chapter.	为了对后续章节的阅读有所帮助，本章对物理现象建模中遇到的各种数学问题进行了归类。
More precisely, the problems considered in this chapter are those that can be reduced to the finding of the solution of a partial differential equation (PDE).	更确切地说，本章所考虑的问题是那些可以简化为求偏微分方程（PDE）的解的问题。
Indeed, for many physicists, to provide a model of a phenomenon means to provide a PDE describing this phenomenon.	事实上，对许多物理学家来说，提供一个物理现象的模型意味着提供一个描述这个现象的PDE。
They can be boundary problems, spectral problems, evolution problems.	比如边界问题、光谱问题、演化问题。
General ideas about the methods of exact and approximate solving of those PDE is also proposed[1].	本章也提出了关于求这些PDE的精确解和近似解方法的一般思路[1]。
This chapter contains numerous references to the "physical" part of this book which justify the interest given to those mathematical problems.	本章包含大量对本书“物理”部分的引用，这表明有必要对这些数学问题进行探究。
In classical books about PDE, equations are usually classified into three categories: hyperbolic, parabolic and elliptic equation.	在有关PDE的经典书籍里，方程通常被分为三类：双曲线方程、抛物线方程、椭圆方程。
This classification is connected to the proof of existence and unicity of the solutions rather than to the actual way of obtaining the solution.	这种分类与解的存在性和唯一性的证明有关，而不是得到解的实际方式。
We present here another classification connected to the way one obtains the solutions: we distinguish mainly boundary problems and evolution problems.	在这我们提出了另一种与获得解决方案的方式相关的分类：我们主要区分边界问题和演化问题。

Amostra de Tradução Computers (Software)

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Fonte (English)	Destino (Chinese)
The term hack has several related meanings in the technology and computer science fields.	黑客，这个词有几个和技术和计算机科学领域有关的含义。
It may refer to a clever or quick fix to a computer program problem, or to what may be perceived to be a clumsy or inelegant (but usually relatively quick) solution to a problem.	或许指对计算机程序问题高明或高效的修正，又或许被认为是对问题的拙劣或不美观（但通常相对较快）的解决方案。
The term is also used to refer to a modification of a program or device to give the user access to features that were otherwise unavailable.	该术语还用于指对程序或设备进行修改，以使用户能够使用原本不可用的功能。
Most networks start off with poor security.	大多数网络初期的安全性都很差。
But over time, with patches, network security does increase.	但随着时间的推移，补丁渐渐出现，网络的安全性确实有所提高。
At this point, a hacker that has gotten use of a certain system may be lose their additional access for a while.	这时，已经使用了某个系统的黑客可能会暂时失去他额外的访问权限。
But usual the hacker goes on to find new holes.	但通常黑客会继续寻找新的漏洞。
There is only so much an admin can disable on your computer before it becomes no use to anyone.	在你的电脑彻底废弃之前，管理员能禁用的东西是很有限的。
To get access to a network, a hacker can use whatever programs are on a computer.	黑客可以利用计算机上的任何一个程序来访问网络。
. If you are a student then you will undoubtedly have programs that aid in study, such as Notepad, MS Word, PowerPoint and others.	. 如果您是学生，那么您肯定会有一些有助于学习的程序，例如记事本、MS Word、PowerPoint ，等等。
All these programs can be used to the hackers advantage.	所有的这些程序都可以被黑客利用。
On this page of the book we will discuss how educational computers are hacked to take access of student files and data.	在本书的这一页，我们将讨论教学计算机是如何被黑客入侵来访问学生文件和数据的。
By knowing these hacks, administrators and teachers will be better able to spot when students are hacking into networks.	通过对这些黑客行为的了解，管理员和教师将能够更好地识别学生对网络的侵入。

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Carregou 6 conceitos terminológicos
na(s) áreas de mathematics and physics

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Jul 23, 2021

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Jul 23, 2021

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Rafa Kr

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Principais Áreas de Especialização

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November 2025

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Traduziu 13 unidades de tradução
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Traduziu 9 unidades de tradução
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Chenggang Chen

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Olá, o meu nome é Rafa Kr

Sobre Mim

Principais Áreas de Especialização

Meu Trabalho

China

Disponível Hoje

November 2025

Atividades Recentes

Traduziu 13 unidades de tradução na(s) área de computers (software)

Carregou 6 conceitos terminológicos na(s) áreas de mathematics and physics

Traduziu 9 unidades de tradução na(s) áreas de mathematics and physics

Tradutores Semelhantes

Hubert Chang

Chenggang Chen

Min Xuanping

Olá, o meu nome é
Rafa Kr

Traduziu 13 unidades de tradução
na(s) área de computers (software)

Carregou 6 conceitos terminológicos
na(s) áreas de mathematics and physics

Traduziu 9 unidades de tradução
na(s) áreas de mathematics and physics

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26	27	28	29	30	31	1
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