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
- Doppler translocation
- doppler translocation
- Doppler ultrasound
- Doppler velocimeter
- Doppler velocimetry
- Doppler velocity-measuring system
- Doppler weather radar
- Doppler width
- Doppler windfinding radar
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