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The course contains four sections as follows: mathematical logic (including basic concepts of propositional logic and predicate logic, propositional calculuses and inference theories), set theory (including set algebras, relations, functions and cardinal numbers), algebraic structure (including algebraic systems, semigroups and groups, rings and fields, lattices and Boolean algebras), graph theory (including basic concepts of graph, Euler graphs and Hamiltonian graphs, trees, planar graphs and coloring graphs, some special vertex subsets and edge subsets).

本课程包含四部分内容：数理逻辑（包含命题逻辑与一阶逻辑的基本概念、等值演算以及推理理论），集合论（包含集合代数、二元关系、函数和基数），代数结构（包含代数系统、半群与群、环与域、格与布尔代数），图论（包含图的基本概念、欧拉图与哈密顿图、树、平面图及图的着色、图的某些特殊的顶点子集与边子集）。

As one of the most famous cardiologist, you might have more experience in many fields.

作为最著名的心脏病学专家之一，您可能有很多经验在诸多领域。

We have career opportunities in several fields.

目前有许多的工作机会

That she had already permitted him to make love to her he read as an additional assurance, not fully trowing that in the fields and pastures to 'sigh gratis' is by no means deemed waste; love-making being here more often accepted inconsiderately and for its own sweet sake than in the carking anxious homes of the ambitious, where a girl's craving for an establishment paralyzes her healthy thought of a passion as an end.

既然苔丝已经允许他向她求爱了，他认为这就是一种额外的保证，但是他并没有完全认识到，发生在田野里和牧场上的那些"免费的叹息"①，也决不是浪费了；在这种地方，恋爱常常是没有多加考虑就被接受了，这种恋爱只是为了恋爱自身的甜蜜，它和充满野心的忧虑焦躁的家庭不一样，在那种家庭里，女孩子渴望的只是为了建立家业，这样就损害了以感情为目的的健康思想。

Carleton University has earned the reputation as one of the foremost universities in Canada in the fields of public affairs and management, journalism, and other discipline.

卡尔顿大学作为一所加拿大的一流大学在公共事务管理，新闻学和许多其他学科领域有着很高的声誉和威望。

Carleton University has earned the reputation as one of the foremost universities in Canada in the fields of public affairs and management journalism and other discipline.

卡尔顿大学作为一所加拿大的一流大学在公共事务管理，新闻学和许多其他学科领域有着很高的名誉和威望。

Given the fact that the Agricultural Tires are required to run at a mediocre speed, but in a hostile performance environment where there exist ill-conditioned field paths, stubble fields, carpolite roads, or even roads without surfaces, they are susceptible to scratches and cuts.

轮胎的特点是行驶速度要求不高，但其使用条件苛刻，经常行驶于状况不良的田间小路和坚硬的留茬地或石子山路，甚至是无路面的道路，轮胎易被划伤或割破。

In 1990 and the pioneer works of Pecora and Carrol, The theoretical research and applied study of the chaotic control and chaotic synchronization get the development at full speed. Various kinds of methods of the chaotic control come out one after another and people find the chaotic control and chaotic synchronization can be applied to a lot of fields such as secure communications, chemical, modeling brain activity etc.

但自1990年E.Ott等人提出了OGY方法以及Pecora和Carroll关于混沌同步的开创性工作之后，混沌控制与同步的理论研究和应用研究得到飞速发展，各种控制混沌的方法相继问世，并发现了混沌控制与同步可以在诸如保密通讯、信号处理、化学反应、生态和电力系统等领域广泛应用。

David Carse, Deputy Kay full of brand name products, targeted for petrochemical, gas, power generation, paper, beverages, housing, and other fields, playing an excellent service.

恒凯全程代理的品牌产品，针对性地应用于石油化工、燃气、发电、造纸、饮品、楼宇、等领域，发挥着优良的服务。

He talked learnedly about field drains, silage, and basic slag, and had worked out a complicated scheme for all the animals to drop their dung directly in the fields, at a different spot every day, to save the labour of cartage.

他谈起什么农田排水、什么饲料保鲜、什么碱性炉渣，学究气十足。他还设计出一个复杂的系统，可以把动物每天在不同地方拉的粪便直接通到地里，以节省运送的劳力。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。