公用: for public use; public; comm ...计时: reckon by time; timing; chro ...系统: system计时系统: clock system; dating system; timing system定时系统, 计时系统: timing system统一计时系统: central timing system中心计时系统: common timing system主中央计时系统: master central timing system办公用计算机系统: office computer system使用计时器: use timer暗室用计时器: digital timer for darkroom办公用计算机: office computer; office machineunix分时系统: unix time-sharing system单分时系统: single time-shared system等时系统: isochronous system定时系统: timing system阀定时系统: timed valve system分时系统: time shared system; time-shared system; timesharing system; tss time-sharing system; tts:time sharing system分时系统制: system of time-sharing system共时系统: common timing system; system, time-shared即时系统: real time system实时系统: ea time system; event driven system; real-time systems; rt real-time system; rtos; rts real time system; rts real-time system; rtv real time system; true time system适时系统: just-in-time system(jit)瞬时系统: instantaneous system同时系统: simulaneous system; simultaneity factor; simultaneous system