Swaziland Posts and Telecommunications Corporation斯威士兰邮电通信公司 Satellite Production Test Center (DoD)卫星生产检测中心(国防部) South Park Technology Center (Seattle, WA)南方公园技术中心(西雅图,华盛顿州) Specified Period of Time Contract特定时期的合同 Southern Pacific Transportation Company南太平洋运输公司 Stockholm Power Tech International Symposium on Electric Power Engineering斯德哥尔摩电力科技学术研讨会,电力工程