Generally speaking, the first-level title of the text of graduation thesis: Song Ti No.4, black on the left;

The second title of the text: Song Zixiao No.4 adds black squares and left squares to shrink;

The third-level title of the text: Song Zixiao No.4 occupies two spaces on the left;

The rest of the characters are small four, which are uniformly arranged with the line spacing of 1.5 times.