AbstractAs an important part of reverse thinking,counterexample plays an indispensablerole in mathematics.When we want to prove some definitions and theorems,teachersshould use cou...

AbstractThe primary function is very important,in junior middle school mathematics.It isthe opening chapter of the whole function field,so the mastery of the primaryfunction direct...

毕业论文〔设计)1.IntroductionBusiness letter referred in this study is a kind of letter dealing with businessactivities in international trades.In this modern society,it is still t...

毕业论文（设计）fax or e-mail.In this case,mastering the skills of writing an effective business letter inshort time has become an emergence for those who want to represent themsel...

毕业论文〔设计)As Jef Verschueren's translating theory is thoughtful and flexible,it may have apromising future in translating field.With regard to present research of translatingt...

从生态翻译学看《美丽中国》字幕翻译摘要新世纪伊始，中国学者胡庚申提出一种称为生态翻译学(Eco-translatology)的新翻译方法。生态翻译学以达尔文的“适应/选择”学说为理论指导，是一种立足于...

目录引言.1一、秘书角色意识概述··(一)秘书角色意识的内涵..·1(二)秘书的角色特征..2(三)现代秘书人员应具备的四种角色意识…2(四)树立正确的秘书角色意识的意义....4二、秘书的错误角色定位...

目录引言....01一、粟特安氏的迁徙1二、归附中原的安氏家族(1)安同家族(2)安师家族...4(3)安朏汗家族..三、安氏家族官职的变迁.四、安氏的婚姻及葬地的研究..·.·..·9五、安氏家族的生活习俗...

Abstract:In order to make the transport mileage more efficiency,Starting from thecarrying capacity and distance of distribution vehicles,the vehicle routing problem is putforward.F...

本科论文关键词：培训；知识型员工；培训体系AbstractIn 1959,American management scientist Peter Drucker put forward the concept of'knowledge employee'.With the rapid development of t...