The paper describes an EOQ model with multiple finite periods and price fluctuation in its each period under supplier timed credit and the optimal ordering policies was obtained.是什么意思_The paper describes an EOQ model with multiple finite periods and price fluctuation in its each period under supplier timed credit and the optimal ordering policies was obtained.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句