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抵押担保
1、guarantee letter───（期权）担保书；保函
2、guarantee───vt.保证；担保；n.保证；担保；保证人；保证书；抵押品
3、security zone───安全地带
4、security control───安全技术；保安措施；安全技术，安全控制，保安措施
5、security───n.安全，安全性；保证；证券；抵押品；adj.安全的；保安的；保密的
6、performance guarantee───履约保证，（进出口业务中）履行合同保证金；[法]履行合同保证人；[法]履约保证
7、security officers───安全官员；安全人员
8、security features───安全特征（securityfeature的复数）
9、guarantee certificate───保证书
1、constructed registry code is with the properties of user uniqueness, verifiability, and security guarantee.───构建的注册码具有用户惟一性、KeYan证性和安全性保证。
2、Fifthly, continue work shifts and security guarantee.───五是继续做好值班值守工作。
3、The best that can be hoped for is that it does not weaken its collective security guarantee by discussing it to death.───如今最好的期冀就是北约不会使集体安全保障讨论进入僵局，从而弱化该议题。
4、It is also the case that the current alarm over North Korea has reminded Japan of the value of the American security guarantee.───此外，目前ChaoXian引发的紧张局势，也向日本提醒了美国安全保障的价值。
5、Urban green space is an important component of urban ecosystem and provides security guarantee for growing urban residents.───城市绿地是城市生态XiTong中重要的组成部分，为越来越多的城市居民提供安全保障。
6、The invention realizes the remote safe access of the home network by means of the security guarantee of network access.───本发明借助网络接入的安全保障，实现了家庭网络的远程安全接入。
7、Pressure from China and the North Korean threat make it more than ever dependent on America's security guarantee.───来自中国的压力和ChaoXian的威胁使日本比任何时候都要依赖于美国的安全保障。
8、A US security guarantee filled the gap left by the tight constitutional constraints on Japan's own military.───美国提供的安全保障，弥补了宪法严格约束所造成的日本自身军力不足。
9、As a identity authentication system, PKI provides the dependable security guarantee for network application.───作为一种技术体系，PK I为网络应用提供可靠的安全保障。
1、Mr Hatoyama, who is trying to give Japan a more prominent role in Asia without jeopardising its security guarantee from America, described his proposal as a medium-term objective.
2、Fifthly, continue work shifts security guarantee.
3、North Korea has long demanded a security guarantee from the United States; given the volatile and aggressive nature of the regime, the U.S. has understandably been hesitant to give one.
4、Q: The U.S demanded a complete, verifiable and non-reversible way to eliminate the DPRK's nuclear project, and at the same time, the DPRK also requested some kind of security guarantee.