Midwifery Education Accreditation Council助产学教育认证委员会 Municipal Energy Authority Computer (from BOFH)市能源权威的计算机(从BOFH) Mid-Eastern Athletic Conference中东国家的体育会议 Minimum Effective Anesthetic Concentration最小有效麻醉剂的浓度 Management Estimate At Completion在完成管理估计 minimum effective analgesic concentration最小有效镇痛浓度