This paaper dicusses the incompleteness of the elements with angular degree of freedom and proves that the displacement model of this kind of element cannot satisfy the condition of completeness.是什么意思_This paaper dicusses the incompleteness of the elements with angular degree of freedom and proves that the displacement model of this kind of element cannot satisfy the condition of completeness.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句