LI Yi.Study of extinction mechanism of nonspherical particle and smoke screen produced by it[D].Ph D Thesis.Nanjing:Nanjing Science and Technology University,2001,10:1-134.是什么意思_LI Yi.Study of extinction mechanism of nonspherical particle and smoke screen produced by it[D].Ph D Thesis.Nanjing:Nanjing Science and Technology University,2001,10:1-134.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句