号系统 ISIN ; semiotic system
信号系统 [通信] Signal System ; beaconage ; System of Signal
物理符号系统 [自] [计] Physical Symbol System
第一信号系统 [生理] first signal system
第二信号系统 [生理] second signal system ; secondary signaling system ; First Signal System ; second signl syst
火警信号系统 fire warning system
符号系统 semiotic system
缩位拨号系统 [通信] abbreviated dial system
字母信号系统 [计] alpha system
音响信号系统 sudible signaling system ; sound signaling system
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