同义词
1)Personal Handy Phone System(PHS),日本数字式无线电话系统2)Digital Enhanced Cordless Telecommunications (DECT),泛欧数字无线电话系统3)digital radio system,数字无线电系统4)radio digital system,无线电数字系统5)digital European cordless telephone,泛欧数字无绳电话系统6)Digital Cellular System 1800 (DCS1800,GSM1800),数字式行动电话系统1800
