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
- polylactide
- polylactosamine
- polylaminate
- polylateral
- polylecithal egg
- poly-lens objective
- polyleptic
- polylhexafluoropropene
- polyligand complex
- polylight
- polylinear mapping
- polylithiation
- polylogarithm
- polylogarithm function
- polylog time
- polylol
- polylysine
- polymatrix
- polymatroid
- polymer
- polymer 3D-printing
- polymer additives
- polymer adhesive
- polymer adsorbent
- polymer alloy