The Application of Principle of Minimum Potential Energy with Mixed Variables in Stability of Elastic Thin Rectangular Plates with Simple Boundary Conditions是什么意思_The Application of Principle of Minimum Potential Energy with Mixed Variables in Stability of Elastic Thin Rectangular Plates with Simple Boundary Conditions在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句