According to the description of library/transition decision system inference from decision-making organizations at brigade and battalion levels, a Petri net model of air defense decision system is established.是什么意思_According to the description of library/transition decision system inference from decision-making organizations at brigade and battalion levels, a Petri net model of air defense decision system is established.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句