词语解释
SSMF Signaling System, Multi-Frequency 多频信令系统SSMF Standard Single Mode Fiber 标准单模光纤 1. Signaling System, Multi-Frequency -- 多频信令系统 2. Standard Single Mode Fiber -- 标准单模光纤
SNEC | SNDCP | SNDCF | SNCP | SNCF | SNCC | SNC | SNBU | SNB | SNAP | SNACP | SNAC |