单词：positive_identification 

名词

• 
  [1.n.positive_identification] (同义词:[positive_identification]  )
• 
  注释列句：evidence proving that you are who you say you are; evidence establishing that you are among the group of people already known to the system; recognition by the system leads to acceptance; "a system for positive identification can prevent the use of a single identity by several people"
• 上位词 -> [identification( n. 辨认, 鉴定, 证明, 视为同一 )]  [evidence( n. 明显, 显著, 明白, 迹象, 根据, [物]证据, 证物 )]  [indication( n. 指出, 指示, 迹象, 暗示 )]  [communication( n. 传达, 信息, 交通, 通讯 )]  [abstraction( n. 提取 )]  [entity( n. 实体 )] 
• 下位词 -> [key( n. 钥匙, 关键, 解答, (打字机等的)键, 调子, 对译本, (开钟表、发条的)栓, 要害 vt. 调节...的音调, 锁上, 插上栓, 提供线索 vi. 使用钥匙 n. [乐]键, 调, 基调 )]  [number( n. 数, 数字, 数量, 号码, 算术, 诗, 韵律 v. 遍号码, 共计..., 计入, 计算, 算入 )]  [card( n. 纸牌, 卡片 )]  [password( n. 密码, 口令 )]  [green_card(n. (AmE) 绿卡 )]  [ID( n. 遗传素质, 本能冲动 n. 身份证, 标识符 [域] Indonesia , 印度尼西亚 )]  [credit_card(n.信用卡, 签帐卡 )]  [debit_card]  [smart_card(智能卡 )]