It is a certain reference and important reality signification that the vulnerability analysis and lethality model of space tar get are researched, to strengthen our space defence ability.是什么意思_It is a certain reference and important reality signification that the vulnerability analysis and lethality model of space tar get are researched, to strengthen our space defence ability.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句