合法票据
- 网络eligible bill
合法票据-
汇票是合法票据。
A bill of exchange is a legally recognized document .
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该模型通过群签名机制对合法用户签发授权票据，以此进行访问控制。
The model adopts group signature mechanism to sign and distribute granted tickets for valid users as credentials to access control .
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这样不仅在微观上能起到保护具体持票人和票据债务人的合法权益、增强票据的安全性，而且在宏观上也有利于我国的票据立法与国际接轨。
It can be not only protect the holder at the micro , but also beneficial to Chinese legislation at the macro .