There is no hard and fast rule about this. Single parenthesis can be either before or after, which is completely defined by the author. To put it bluntly, you can do whatever you want.

The requirements of the relevant work part in thesis writing mainly include these four aspects:

(1) try to cover all related work, can match some specific typesetting style, read more papers.

(2) Carry out detailed classification and arrangement, and highlight key points.

(3) Emphasize differences and differences, such as the induction and arrangement of main tasks, data and algorithms, so that it can be written with great foresight and concentration.

(4) Give consideration to both long writing and short writing, and prepare enough content before starting related work.

Thesis title: accurate, concise, eye-catching and novel.

Table of Contents: A table of contents is a brief list of main paragraphs in a paper. (Essays don't need to be listed in the table of contents)

Abstract: It is an excerpt from the main content of the article, and it is required to be short, accurate and complete.

Definition of keywords: keywords are selected from the title, abstract and text of the paper, and are words with substantive significance to express the central content of the paper. Keywords are words used by computer systems to index the content characteristics of papers, which are convenient for information systems to collect and provide readers with retrieval. Generally, 3-8 words are selected as keywords for each paper, and a new line is set at the bottom left of the "abstract".