The LS-DYNA finite element program was applied to the research of human body kick-off under the combined wave of double semi-sine wave with positive and negative value.是什么意思_The LS-DYNA finite element program was applied to the research of human body kick-off under the combined wave of double semi-sine wave with positive and negative value.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句