Total Cost of Ownership拥有总成本 Technology Commercialization Office技术的商业化的办公室 Telecommunications Certification Officer通讯认证的警官 The Swedish Confederation of Professional Employees瑞典专业工作人员联合会 Three Colleges Observatory (UNC Greensboro)Greensboro北卡罗来纳大学天文台(3) True Cost to Own真实的成本来的 Technology Cooperation Office技术合作的办公室 Telecommunications Control Office电信控制办公室 Toxic Chemical Operations毒性化学物质运作 True Cost of Ownership真实的成本 Telecommunications Coordination Officer电信协调官 Tax Credit Office (UK)税收抵免办公室(英国) Telecommunications Certifying Office通讯认证的办公室 Trellis-Converging OffsetTrellis-Converging抵消 Tempest Control Officer暴风管理部门的官员