论文简介

letter of introduction───介绍信

disrupt production───扰乱生产

dissociative extraction───解离萃取

letter of introductions───介绍信

needs no introduction───不需要介绍

dispersion relation───[物][核]色散关系；分散关系；频散关系

dissertationist───n.学术演讲者;论述者(dissertation的变形)

agent of production───生产代理

asexual reproduction───无性繁殖；[遗]无性生殖

Introduction - Your dissertation will have a coherent background presentation and overview of the entire study.───前言-您的论文将有一个连贯的背景介绍和整个研究概述。

first and second chapters constitute the first part of the dissertation, namely background introduction.───第一章和第二章为论文的第一部分，即背景介绍。

dissertation consists of" Introduction, "six" Chapters, Conclusion," and "Appendices.───本文分为绪论、正文、结语、附录几个部分。