In this paper, the SUMT mixed method (Lootsma method) of the non-linear program is applied to the design of rigid sidewall hovercraft.是什么意思_In this paper, the SUMT mixed method (Lootsma method) of the non-linear program is applied to the design of rigid sidewall hovercraft.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句