tdr-英汉双向大词典-tdrabbr.1.timedomainreflectometry时-空反射测量2.time-delayrelay时延继电器3.transmitdataregister发送数据寄存器-TDRabbr.TechnicalDataReport技术数据报告-TdRabbr.thymidinedeoxyribose胸腺嘧啶脱氧核糖核苷