duffing equation是什么意思 duffing equation在线中文翻译

duffing equation是什么意思，duffing equation在线翻译，duffing equation中文意思，duffing equation的中文翻译，duffing equation发音，duffing equation例句，duffing equation词组短语，duffing equation怎么翻译，单词duffing equation的意思