| Subject | English | Chinese |
| tech. | a plastic chart for use in the Unified Soil Classification system | 土的统一分类塑性图 |
| China, polit. | a unified multiethnic country a unitary multi-nationl State with a unitary political system | 统一的多民族的单一制国家 |
| China, polit. | a unified, multilevel legislative system | 统一的、多层次的立法体制 |
| busin. | nationwide unified and open market system | 全国统一开放的市场体系 |
| China, polit. | practice a unified, multilevel legislative system | 实行统一的、多层次的立法体制 |
| avia. | propulsion laboratories unified system | 推进实验室一元化系统 |
| org.name. | Strengthened and Unified Security Management System | 加强和统一联合国安保管理系统 |
| earth.sc. | structural system of the unified and entire preventions | 统一完整预防结构系统 |
| econ. | system of unified mandatory plans | 单一指令计划体制 |
| space | time unified system | 时间统一系统 |
| busin. | unified accounting system | 统一会计制度 |
| busin. | unified and open market system | 统一开放的市场体系 |
| space | unified carrier system | 统一载波系统 (共用一个射频载波，完成对航天器的测轨、遥测、遥控和数据传输等的综合无线电系统) |
| bridg.constr. | Unified Classification System for Soil | 统一土分类法 |
| tech. | unified classification system of soil and rock | 岩土统一分类系统 |
| econ. | unified Command System | 统一指挥系统 |
| avia. | unified communication, navigation and identification system | 通信导航识别综合系统 |
| securit. | unified credit system | 统一信用系统 |
| el. | unified design specification system | 统一设计说明程序系统 |
| avia. | unified development specification system | 统一研制规范系统 |
| el. | unified direct access system | 统一直接访问［接人］系统 |
| textile | unified, fair and orderly market system | 统一、公平和有序的市场体制 |
| fin. | unified finance and credit system | 统一财政信用体系 |
| busin. | unified finance and credit system | 统一的财政信用体系 |
| avia. | unified flight analysis system | 联合飞行分析系统 |
| oil, transp. | unified gas supply system | 统一供气系统 |
| fin. | unified income tax system | 统一所得税制 |
| el. | unified medical language system | 统一医学语言系统 |
| IT | unified messaging system | 统一消息传递系统 |
| IT | unified messaging system | 统一消息传 送系统 |
| el. | unified messaging system | 统一传信系统 |
| comp., net. | unified messaging system | 统一消息系统 |
| earth.sc. | unified meteorological system | 统一标准气象系统美 |
| space | unified microwave system | 统一微波系统 |
| avia. | unified microwave system | 微波统一系统 |
| mech. | unified numbering system alloy designation system | 统一编号系统合金设计系统 |
| auto. | unified numbering system | 美国金属材料统一编号码系统 |
| auto. | Unified Numbering System | 美国金属材料统一编号码系统 |
| seal. | Unified Numbering System UNS for Metal and Alloys | 金属合金的统一编号系统 |
| tech. | unified power system | 统一电力系统 |
| space | unified propulsion system | 统一推进系统 (航天器上统一供给推进剂的推进系统) |
| earth.sc. | unified rock classification system | 统一岩石分类系统 |
| el. | unified S-band communications and navigation system | 统一S波段通信与导航系统 |
| el. | unified S-band system | 统一 S 波段系统 |
| geophys. | unified S-band system | 统一S波段系统 |
| space | unified S-band system | S 频段统一系统 (共用一个 S 频段射频载波，完成对航天器的测轨、遥测、遥控和数据传输等的综合无线电系统) |
| space | unified S-band system | 统一 S 频段系统 |
| avia. | unified S-band system | S 波段统一系统 |
| eng.geol. | unified soil classification system | 土的統一分類法 |
| eng.geol. | unified soil classification system | 統一土壤分類法 |
| eng.geol. | unified soil classification system | 土的统一分类法 |
| tech. | unified soil classification system | 土的统一分类 (法) |
| agric. | unified soil classification system | 土壤统一分类系统｛土壤｝ |
| bridg.constr. | unified soil classification system | 统一土分类法 |
| space | unified soil classification system | 土壤统一分类系统 |
| bridg.constr. | Unified Soil Classification System | 土的统一分类 (USCS) |
| geotech. | unified soil classification system | 统一土壤分类法 |
| tech. | unified soil classification system | 统一土壤分类制 |
| space | unified system | 统一系统 |
| telecom. | unified system computer station | 统一系统计算机站 |
| environ. | unified system safety analysis | 统一系统安全分析 |
| textile | unified tax system | 统一税制 |
| fin. | unified tax system | 统一税收制度 |
| road.constr. | unified toll system | 统一收费系统 |
| space | unified tracking, telemetry and command system | 统一测控系统 (航天测控系统的) |
| geophys. | unified transfer system | 统一传输系统 |
| tech. | unifies soil classification system | 统一土壤分类体系 |
| tech. | unifies soil classification system | 统一土壤分类体制 |
| tech. | unifies soil classification system | 统一土壤分类系统 |
| China, law | unify system of registration | 统一登记制度 |