42 Liu Youwen and Guo Jianlin. The Illustration Calculations of Second Order Effects in Elastic Half-Space Acted Upon by a Non-Uniform Shear Loac, Applied Mathematics and Mechanics, 1997, 18(6是什么意思_42 Liu Youwen and Guo Jianlin. The Illustration Calculations of Second Order Effects in Elastic Half-Space Acted Upon by a Non-Uniform Shear Loac, Applied Mathematics and Mechanics, 1997, 18(6在线翻译_英语_读音_用法_例句