Study on Theoretical Course Test Question Bank For Secondclass Volleyhall Umpires in Shenyang Institute of Physical Education
对沈阳体育学院排球二级裁判员理论考核试题库的研究

ShirleyHow do you think about the beef here, darling.
雪梨亲爱的，你觉得这里的牛排怎么样？

Characteristic polynomial, CayleyHamilton theorem.
特征多项式和那个定理。