The models in this paper are all from children who are common in life. First of all, it is emphasized that the model is not the most important part of the paper, and it is not the reason that determines the success or failure of your paper. The original intention of using the model is to demonstrate your theme and point of view. The harder the better, the simpler the better. Of course, if you study statistical methods and econometric models, then models are very important to you, so ignore this article.

Thesis is a Chinese word, and its pinyin is lùn wén, which is a common word in classical literature and refers to conversation or exchange of ideas.

Nowadays, papers are often used to refer to articles that conduct research in various academic fields and describe academic research results, which are referred to as papers for short. It is not only a means to discuss problems in academic research, but also a tool to describe academic research results in academic exchanges. Including academic papers, graduation papers, dissertations, scientific papers, achievement papers and so on.

On February 24th, 2020, 65438, the Sampling Method for Undergraduate Graduation Thesis (Design) (for Trial Implementation) proposed that undergraduate graduation thesis should be sampled once a year, and the sampling ratio should not be less than 2% in principle.