工学 〔快递服务〕 释 express mail service；EMS 邮政特快专递 邮政企业采取最快发运速度、专门处理手段及专人直接投递的邮件传递方式。
计算机应用 基于网络的信息服务 释文 emergency medical service, EMS 紧急救援系统
- unsuitable value
- un-Sun-like star
- unsupervised classification
- unsupervised learning
- unsupported
- unsupported-area principle
- unsupported-area seal
- unsuppressed sideband
- unsurveyed
- unswept pumping
- unsymmetric
- unsymmetrical
- unsymmetrical dimethylhydrazine
- unsymmetrical dimethylhydrazine poisoning
- unsymmetrical load
- unsymmetrical three-phase circuit
- unsymmetrical top
- unsymmetry
- untensioned
- unterminated line
- untethered operated vehicle
- untextured
- untightness
- untitled
- untouchability