All-key,关系模型的所有属性组是这个关系模式的候选码称为全码 若关系中只有一个候选码,且这个候选码中包含全部属性,则该候选码为全码
信用卡安全码 card security code ; CVV ; Card Verification Value Code
安全码 security code ; All codes ; Security PIN ; [计] safety code
全码实业 Quanma
社会安全码 Social Security Number ; SSN
章目全码 Microcrystalline petroleum wax ; Sugar beet seed ; Frozen boneless meat of sheep ; Ammonia in aqueous solution
社会安全号码 Social Security number ; SSN ; Social Security No
分组全分集全码率 GFDFR
输入安全码 Enter Security Code
的人员随后请冒名顶替者提供所需的安全码。
The representative of register.com then sent the imposter a security code that he had to provide.
大部分信用卡和借记卡需要背面的安全码进行在线支付。
The security code on the back of most credit and debit CARDS is required to make payments online.
目前，万事达卡用户在网购时使用一个名为安全码的系统验证用户身份。
MasterCard customers currently use a system called SecureCode to verify their identity while shopping online.
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