MZRn.多区记录技术Mn.字母MM.E.P.abbr.=mean effective pressure 平均有效压力；mean effective pressureM.S.N.abbr.=master of science in nursing 护理学硕士M. petchiin.佩奇小煤炱M.U.P.abbr.=master of urban planning 城市规划学硕士M. flac.[医] 松驰膜，鼓膜松驰部M.N.A.abbr.=master of nursing administration 护理管理学硕士M. ciferrin.西弗小煤炱m Nisodipine间尼索地平M.P.P.abbr.物资调运规划硕士M.I.S.abbr.=master of international service 国际事务硕士