一、论文主要内容的表达

1. 我们报道…：We report …; We describe …; In this paper we report …

2. 本文报道（介绍） …： …is / are presented / reported /described.

3. 本文讨论了 …：is / are discussed.

4. 报告了…的现状：The present situation of … is reported / presented.

5. 综述了…：is reviewed.

6. 调查了…：was investigated.

7. 对…进行了试验：Experiment was done / performed on …

8. 研究了…：…was studied / investigated. / Research was made in …

二、研究背景的表达

1. 已有报道 …：… were reported.

2. 有记载 …：… has been recorded.

3. 已证明 …：There is evidence that … / It has been proved that …

三、研究目的的表达

1. 为了 …： to / in order to + 动词（常用动词有study, investigate, evaluate, observe, clarify, understand, examine, substantiate, inquire into, elucidate, etc.); In an effort / attempt to + 动词

2. 为了探讨 …：In order to explore …

3. 为了弄清 … 的关系：To find out the relationship between … and …

4. 本研究旨在：The purpose / objective / aim of this study was … / This study aimed at … / The study was designed to …

5. 本研究的主要目的是 …：The primary purpose of this study was to …

6. 主语 + 谓语 + for the purpose of …

7. 表示“研究”的词语： study, investigation, research, approach

（非）实验研究：(non)exprimental study

比较研究：comparative study

回顾性研究：retrospective study

前瞻性研究：prospective study

单 / 双盲交叉研究：a single- / double-blind, crossover study

随机控制性研究：randomized, controlled study

双盲随机研究：double-blind randomized study

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