英文含义
ETNO的全称：Estimated Total Nitrogen Output (renal function measurement) | 中文意思：───估计总氮输出(测量肾功能)
ETNO的全称：European Public Telecommunications Network Operators | 中文意思：───欧洲公共电讯网络营办商
ETNO的全称：European Telecommunications Network Operators' Association (Brussels, Belgium) | 中文意思：───欧洲电讯网络营办商协会(比利时布鲁塞尔)