学术论文由于其严谨、客观、准确的语言特点，许多表达比较固定和类似，本文列出了在大部分学科中被普遍接受的常用英文短语，可以在论文的特定表达时使用这些短语。这将有助于使用地道语言描述研究发现。
单看短语和句式的确是不完整的，但结合自己的内容就能写出灵活丰富的表达，所以这些短语也是供大家参考，并不是说学术论文就必须要这样写，希望这些短语对于大家在选词、表达上有所帮助。
注：斜线间隔符是把同义的动词、副词、固定短语等隔开，所以大家使用的时候可以灵活选取，文中每一条并不是连起来的一整个句子。
一、说明所选主题的重要性
X is the main / leading / primary / major cause of ..
Xs are a common / useful / critical part of…
Xs are among the most widely used / commonly discussed / well-known / well-documented / widespread / commonly investigated types of …
X is recognized as being / believed to be / widely considered to be the most important …
It is well known / generally accepted / common knowledge that X is …
X is increasingly becoming / set to become a vital factor in …
Xs are undergoing a revolution / generating considerable interest in terms of …
Xs are attracting considerable / increasing / widespread interest due to …
二、概述前人所做过的研究（文献综述）
Last century X was considered to be / viewed as / seen as the most …
Initial / Preliminary / The first studies of X considered it to be...
Traditionally X / In the history of X, the focus has always been …
Scientists / Researchers / Experts have always seen X as …
Until now / For many years / Since 1993 Xs have been considered as …
X has received much attention in the last two years / in the past decade / over the last two decades …
For the past five years / Since 2011 there has been a rapid rise in the use of Xs
The last two years have witnessed / seen a huge growth in X …
The past decade / last year has seen a renewed importance in X …
Recent developments in / findings regarding X have led to …
X has become a central / an important / a critical issue in …
三、展望未来
The next decade is likely to see / witness a considerable rise in X
In the next few years X will become / is likely to have become
Within the next few years, X is set / destined / likely to become an important component in …
By 2025 / Within the next ten years, X will have become …
X will soon / shortly / rapidly / inevitably be an issue that …
四、指出知识上的空缺和局限
Few researchers have addressed the problem / issue / question of …
Previous work has only focused on / been limited to / failed to address …
The central / core problem of
A challenging / An intriguing / An important / A neglected area in the field of...
The characteristics of X are not well understood / are misunderstood / have not been dealt with in depth.
It is not yet known / has not yet been established whether X can do Y. X is still poorly / not widely understood.
Techniques to solve X are computationally demanding / subject to high overheads / time consuming / impractical / frequently unfeasible.
A major defect / difficulty / drawback / disadvantage / flaw of X is …
One of the main issues in our knowledge of / what we know about X is a lack of …
This particular / specific area of X has been overlooked / has been neglected / remains unclear …
Despite this interest, no one to the best of our knowledge / as far as we know has studied …
Although this approach is interesting, it suffers from / fails to take into account / does not allow for…
However, there is still a need for / has been little discussion on …
Moreover, other solutions / research programs / approaches have failed to provide...
There is still some / much / considerable controversy surrounding …
Concerns have arisen / been raised which question / call into question the validity of …
In the light of recent events in x, there is now some / much / considerable concern about …
五、论述论文目标和贡献
In this report / paper / review / study we …
This paper outlines / proposes / describes / presents a new approach to …
This paper examines / seeks to address / focuses on / discusses / investigates how to solve …
This paper is an overview of / a review of / a report on / a preliminary attempt to ...
The present paper aims to validate / call into question / refute Peng’s findings regarding …
X is presented / described / analyzed / computed / investigated / examined / introduced / discussed in order to …
The aim of our work / research / study / analysis was to further / extend / widen / broaden current knowledge of …
The aim of this study is to study / evaluate / validate / determine / examine / analyze / calculate / estimate / formulate …
This paper calls into question / takes a new look at / re-examines / revisits / sheds new light on …
We undertook this study / initiated this research / developed this methodology to...
We believe that we have found / developed / discovered / designed an innovative solution to …
We describe / present / consider / analyze a novel / simple / radical / interesting solution for …
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