MEISn.机械电子学；机电一体化(技术)MEIabbr.投资边际效率（=marginal efficiency of investment）Meifren梅弗伦Meilhat梅亚Meighann.梅根Meinrad迈因拉德Meineke迈内克Meitzenn.迈岑Meilandn.迈兰Mei Zhi梅挚Meitret梅伊特雷特Meihard迈哈德