paperback. Condizione: New. Paperback. Pub Date: 2021-09-01 Pages: 296 Language: Chinese Publisher: China Agricultural Press This textbook integrates basic content and methods. breaks the original curriculum system. and establishes a new curriculum system. Instead of using the traditional sequence of tension. compression. shearing. torsion. and bending to avoid repetition of content and methods. a new system is formed in the order of internal forcestress and strengthdeformation and stiffness according to the design idea.