中文: abbr. 均方误差(mean square error);工程硕士(master of science in engineering);机动副载波设备(Mobile Subscri-ber Equipment)
中文: abbr. marchandises (French=goods) (法语)货物,商品; millisecond 毫秒
n. manuscript 手稿,原稿( ms.的名词复数 )