MacDonald-DetweilerMacDonald-Detweiler Major Depressive Disorder严重的抑郁性障碍 Model-Driven Development (software engineering)驱动开发(软件工程) Movement for Democracy and Development (Central African Republic)运动实现民主发展中非共和国 Mineral Deposits Division (Geological Association of Canada)矿床地质协会(加拿大) Medical Device Directive医疗器械指令 Meteorological Data Distribution气象数据分布 Minimum Distance Decoding最短距离译码 Maximum Daily Dose最高日剂量 Mine Detection Dog探雷犬 Multi Domain Diffusion多域扩散 Melting Degree Days甜美的程度 Maine Driving Dynamics缅因州的驾驶 Material Delivery Date资料交付日期 Mission Description Document使命描述文档