Registration ID number登记身份证号码
Appointment registration access number预约挂号取号处
appliance registration reference number设备登记编号
registration serial number注册编号
Electronic registration certificate number电子注册证号
Trademark Registration Certificate Number商标注册
Registration Number in China中国注册号
national tax registration number国税税务登记号
Car Registration Number汽车牌照号码
N-COUNT（可数名词） The registration number of a car or other road vehicle is the series of letters and numbers shown on the back, and in many places also on the front, of a vehicle. 车牌号码 [英国英语]
...a maroon 1992 Ford Taurus, registration number 2YMT 804.
…一辆栗色的1992年款福特金牛星汽车，车牌号码是2YMT 804。