title page

Chinese and English abstracts, table of contents

index

foreword

main body

conclusion

Express gratitude/gratitude

References. Among them, the introduction and text with the largest proportion require that the introduction should be no less than 1.5 million words and the text should be no less than 1.2 million words respectively. The introduction and text must be Song Ti No.4. Generally, the whole paper is more than 40 pages, but not more than 60 pages, and more than 5 CAD drawings should be attached for design.