Everyone needs to write it, but some schools require it to be written as a separate document. If the school does not require it, the literature review can be written in the opening report, and some can appear in the introduction of the paper.

The purpose of this paper is to cultivate students' scientific research ability; Strengthen the training of comprehensively applying the learned knowledge, theory and skills to solve practical problems; Generally speaking, it examines the academic level achieved by students in universities.

In the process of writing a graduation thesis with expanded information, it needs to go through five processes: opening report, thesis writing, thesis submission and evaluation, thesis defense and thesis grading, among which the opening report is the most important process and an important indicator of whether the thesis can be carried out.

Graduation thesis can be divided into macro thesis and micro thesis according to the size of the research problem. Any paper that is global and universal and has certain guiding significance to local work is called macro-paper, which has a wide research scope and wide influence. On the contrary, the papers that study local and specific problems are microscopic papers, which are of guiding significance to specific work and have a narrow influence.

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