工学 有线传输系统 释 optical fiber transmission system 光纤传输系统 利用近红外线区波长为1微米左右的光波（激光）为载波，以光导纤维（简称光纤）为传输媒介，将信息从一处传至另一处的传输系统。
网络与数据通信 有线网络 释文 fiber transmission system 光纤传输系统
- Atitlán， Lago de
- Atiyah
- Atiyah-Bott fixed-point theorem
- Atiyah bundle
- Atiyah,Michael Francis
- Atiyah sequence
- Atiyah Singer index theorem
- Atiyah-Singer index theorem
- Atkinson
- Atkinson cycle
- Atkinson operator
- Atlanta
- Atlanta History Center
- Atlantic Charter
- Atlantic City
- Atlantic Forest Southeast Reserves
- Atlantic-Indian Basin
- Atlantic meridional mode
- Atlantic multidecadal oscillation
- Atlantic Niño
- Atlantic Ocean
- Atlantic Standard Time
- atlantoaxial instability
- atlantoaxial joint
- atlantooccipital joint