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01研究主題的重要性
1. X plays a critical role in …
2. There is evidence that X plays a crucial role in …
3. X has become a central issue for …
4. Evidence suggests that X is among the most important factors for …
5. X is an important component in the …, and plays a key role in Y.
6. X is a major area of interest within the field of …
02研究現狀常用句型
1. In recent years, there has been an increasing interest in …
2. Recent developments in X have heightened the need for …
3. The last two decades have seen a growing trend towards …
4. Recently, researchers have shown an increased interest in …
5. Over the past century, there has been a dramatic increase in …
6. The past decade has seen the rapid development of X in many …
1. Extensive research has shown that …
2. Previous research has established that …
3. Data from several studies suggest that …
4. Studies of X show the importance of …
5. Existing research recognises the critical role played by …
6. A number of cross-sectional studies suggest an association between X and Y…
7. Studies over the past two decades have provided important information on …
8. A considerable amount of literature has been published on X. These studies …
04概述目前研究的不足常用句型
1. Previous studies of X have not dealt with …
2. Most studies in the field of X have only focused on …
3. Previously published studies on the effect of X are not consistent.
4. However, much of the research up to now has been descriptive in nature …
5. Research on the subject has been mostly restricted to limited comparisons of …
6. However, few researchers have been able to draw on any systematic research into …
05該領域的研究目前較少或者尚不完善時常用句型
1. Up to now, far too little attention has been paid to …
2. So far, however, there has been little discussion about …
3. There is little published data on …
4. No previous study has investigated X.
5. To date, there are few studies that have investigated the association between …
6. … much less is known about X.
7. Currently, there are no data on …
8. What is not yet clear is the impact of X on …
9. Much uncertainty still exists about the relationship between …
10. However, the influence of X on Y has remained unclear.
例句：
While/Although some research has been carried out on X, no controlled studies have been reported.
06研究目的常用句型
1. The purpose of this investigation is to …
2. The specific objective of this study was to …
3. The objectives of this research are to determine whether …
4. The main aim of this study is to investigate the differences between X and Y.
5. There are two primary aims of this study: 1. To investigate … 2. To ascertain …
07研究意義常用句型
1. This study provides new insights into …
2. Understanding the link between X and Y will help …
3. This study aims to contribute to this growing area of research by exploring …
4. This project provided an important opportunity to advance the understanding of …
08概述文章結構常用句型
1. This paper begins by … It will then go on to …
2. The essay has been organized in the following way.
3. The main issues addressed in this paper are: a), b) and c).
4. The overall structure of the study takes the form of six chapters, including …
5. The third chapter is concerned with the methodology used for this study.
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