MZRn.多区记录技术Mn.字母MM.R.P.abbr.=master in regional planning 地区规划学硕士m-Sympatol去氧肾上腺素, 苯肾上腺素, 新交感酚[抗休克药]M.V.E.abbr.=master of vocational education 职业教育硕士M.P.L.abbr.=master of patent law 专利法硕士M hemoglobin血红蛋白MM.I.P.n.海上保险证书M.S.T.abbr.=master of science in teaching 讲授学硕士M-CSF gene巨噬细胞集落刺激因子（M-CSF）M.A.E.abbr.=Master of Aeronautical Engineering 航空工程学硕士M.E.A.abbr.=master of engineering administration 工程管理硕士