the number on the license plate that identifies the car that bears it
例句
用作名词 (n.)
The product keycode is not the registration number. 产品密钥并不是注册号码。
What's your company's registration number in customs? 你们公司的海关注册号码是多少？
This type of coordinate indexing is said to be manually operated, since the recording of the accession number onto the features card is done by hand. 这种类型组配被称为是人工操作的，因为在特征卡上写登记号是用手写的。
美
[ˌredʒɪ'streɪʃən 'nʌmbər]
