English ⇄ English Russian

FCFS abbr. stresses
gen.	"первым пришёл – первым обслужен"; ПППО (Artjaazz)
Gruzovik, scient.	"первым поступил, первым обслуживается" (first come, first served; режим обслуживания)
English thesaurus
FCFS abbr.
abbr.	First Cash Financial Services; first come, first served basis (Artjaazz); first come first service
abbr., comp., net., IT	First Come First Serve
abbr., IT	Fibre Channel Framing And Signaling; first-come-first-served
abbr., mil.	First-Come, First-Served
abbr., mil., avia.	first come, first served
abbr., space	first come first served
tech.	first come-first served

FCFS: 4 phrases in 2 subjects

Accounting	2
Quality control and standards	2