1Clough R W.The Finite Element Method in Plane Stress Analysis[C].Pittsburgh:Proceedings of 2nd ASCE Conference on Electronic Computation,1960.
2Xu Xing,etc.A New Plat Shell Element of 16 Nodes 40 Degrees of Freedom by Relative Displacement Method[J].Communications in Numerical Methods in Engineering, 1993(9):15-20.
3Reilly R J. Stiffness Analysis of Grids Including Warping[J]. Journal of the Structural Division.ASCE.ST7,1972-07.
4Sawko F.Computer Analysis of Grillage Curved in Plan[C]. International Association for Bridge and Structural Engineering.1967,27.
10David Kinsella.Rivalry, Reaction, and Weapons Profliferation : A Tines Serious Analysis of Global Arms Transfers [J]. International Studies Quarteral, 2002,46.
7World Bank, "GDP ( constant 2005 US $ ) ", Octo- ber 24, 2013, http: //data. worldbank, org/indicator/NY. GDp. MKTp. KD.
8Stockholm International Peace Research Institute, "SIPRI Military Expenditure Database", October 27, 2013, http: //www. sipri, org/research/armaments/milex/milex _ da- tabase.
9Stephen Saunders, op. eit., pp. 499, 504, 617- 618, 990-997.
10Mackenzie Eaglen, Jon Rodebaek, "Submarine Arms Race in the Pacific: The Chinese Challenge to U.S. Undersea Supremacy ", June 4, 2013, http : //www. heritage, org/re- search/rcports/2010/02/submarine - arms - race - in - the - pacific - the - chinese - challenge - to - us - undersea - suprem- acy.
