展开全部[1]弗化奇a p.牛顿力学.北京:人民教育出版社,1982 [2]王龙甫.弹性理论.北京:科学出版社,1979 [3]da vinci l.testing the strength of iron wiresof variouslengths(notebook,ca.1500).in:parsonswb.engineersand engineering in rena**sance.ba...
展开全部[1]mattoo.a:1998 financia1 services and the wto:liberallation in the developing and transition economics,staff wo**ng ** wto.geneva [2]wto.1997:opering markets in financial services and the role o...