El diccionario de telecomunicaciones inglés-ruso

• Contains about 34,000 terms related to:
• - modern means of communication,
• - alarm systems,
• - automation,
• - radio electronics,
• - electro acoustics,
• - computer hardware,
• - and applied mathematics.

FOCS

сокр. от fiber-optic communication system

волоконно-оптическая система связи