什么是“654321”？
six hundred and fifty-four thousand three hundred and twenty-one
倒計時吧
沒啥意思，就是這些人亂說的
An example EPC is "urn:epc:id:sgtin:1234567.654321.999", where "1234567"
is a manufacturer identifier, "654321" is a product class, and "999" is
a serial number.
例如，“urn:epc:id:sgtin:1234567.654321.999”，其中的 “1234567”是生產(chǎn)商標識符，“654321”是產(chǎn)品類，“999”是序列號。
An example EPC is "urn:epc:id:sgtin:1234567.654321.999", where "1234567"
is a manufacturer identifier, "654321" is a product class, and "999" is
a serial number.
例如，“urn:epc:id:sgtin:1234567.654321.999”，其中的 “1234567”是生產(chǎn)商標識符，“654321”是產(chǎn)品類，“999”是序列號。
