Universal Character Set通用字符组 User Coordinate System用户坐标系统 Uniform Communication Standard统一通信标准 Union of Concerned Scientists科学家关怀联盟 Universal Computer Services (Johannesburg, South Africa)通用计算机服务(南非) Universal Camera Site普遍的相机 University Computer Services大学计算机服务 Universal Multiple-Octet Coded Character Set通用Multiple-Octet编码字符集 Universal Component System通用零部件系统 Universal Card Slot通用插件槽 Unconfined Compressive Strength无侧限抗压强度 Universal Classification System[计] 通用分类系统 Uniform Chromaticity Scale等色差表色系 Uniaxial Compressive Strength单轴压缩强度 Unified Command Suite统一指挥的套房