First, the concept and characteristics of XX problem

Second, the pros and cons of ××

2. What is the value of1xx?

2. What is the value of1.1xx?

2. What is the value of1.2xx?

2.2 where the value of xx is

2.2. The value of1xx

2.2.2 What is the value of xx?

Among them, "two" is the first-level title, 2. 1 and 2.2 are the second-level titles, and 2. 1. 1 and 2. 1.2 are the third-level titles, which should be used when making catalogues!

We have done many graduation theses, all of which were passed at one time. We hope to adopt them from our experience!