Small and Medium-sized Enterprise中小企业 System Management Entity系统管理单位 Society of Manufacturing Engineers制造工程师学会[美] Solar Mesosphere Explorer太阳－地球中层大气探测器 Short Message Entity短消息实体　 Society for Mining Metallurgy and Exploration矿冶与探测学会 Society for Mining, Metallurgy, and Exploration社会对矿山、冶金、和探索 Solutions Middle East解决中东问题 School of Materials Engineering学校的材料工程 SystÈme MonÉtaire EuropÉen (French: European monetary system)SystÈme MonÉtaire EuropÉen (French: European monetary system) Signaling Message Encryption信令消息加密 Sports Media Entertainment (broadcast outlet)体育传媒娱乐(广播出口) Squadron Medical Element中队医学的元素 School of Military Engineering学校的军事工程 Soil and Materials Engineers, Inc (Plymouth, MI)土壤和材料工程有限公司(普利茅斯,小姐)