SSAC abbr. same sea and coast （海運(yùn)保險(xiǎn)中）同一海域和同一海岸; same sea and country （海運(yùn)保險(xiǎn)中）同一海域和同一國家; suspended sprayed acoustical ceiling 噴涂隔音吊頂; signaling system, alternating current 交流信令系統(tǒng)
SSAR abbr. S-band single access return (link) S波段單路接入返回（鏈路）; spin stabilized aircraft rocket 自旋穩(wěn)定航空火箭; Society for the Study of Amphibians and Reptiles 兩棲爬行動(dòng)物研究協(xié)會; succinic semialdehyde reductase 琥珀酸半醛還原酶
SSAG abbr. Social Security Action Group 社會安全行動(dòng)組
SSEM abbr. South Seas Evangelical Mission 南海福音派新傳道區(qū); space system effectiveness model 航天系統(tǒng)效能模型; stroboscopic scanning electron microscopy 頻閃掃描電子顯微分析法
