Personates examining staff of twd and offers free test of tap water at home . after test claims the tap water is not clean and recommends the use of filter 伪称本处检验人员，免费到住家检查自来水，检查结果宣称自来水不洁，应使用滤水器。
2.
He was eating an apple , and giving a long , melodious whoop , at intervals , followed by a deep - toned ding - dong - dong , ding - dong - dong , for he was personating a steamboat 他正在吃苹果，不时地发出长长的好听的“呜”的叫声，隔会儿还“叮当当叮当当”地学铃声响，他这是在扮演一只蒸汽轮船。
3.
A security enhancement scheme is proposed to encounter the black hole attacks in aodv protocol . this scheme may solve the black hole problem and prevent personating the destination node to some degree . 3 针对移动adhoc网络aodv协议中所存在的黑洞攻击，提出了一种增强安全性的解决方案，该方案能在一定程度上解决黑洞问题并可防止假冒目的节点攻击。
4.
An attacking node can personate other nodes through replaying their binding messages , changing the address field to provide wrong return address , and achieving dos ( denial of service ) attack by replaying binding messages 攻击节点可以通过重放节点绑定信息的形式来冒充此节点；通过修改绑定消息中的地址部分来提供虚假地址；还可以通过大量重放监听到的绑定消息进行拒绝服务攻击。
5.
A practical efficient one - time password authentication protocol is presented which based on the symmetric algorithm , which conquers common challenge - response protocol weakness and can achieve mutual authentication and avoid replay attack and personating attack 该方案克服了通常的质询响应认证方案的弱点，可以用在网络环境下，实现通信双方的相互认证，防止重放攻击和冒充攻击，实现简单，执行效率高。
6.
As he drew near , he slackened speed , took the middle of the street , leaned far over to star - board and rounded to ponderously and with laborious pomp and circumstance - for he was personating the big missouri , and considered himself to be drawing nine feet of water 他越来越近，于是他减慢速度，走到街中心，身体倾向右舷，吃力做作地转了船头使船逆风停下他在扮演“大密苏里号” ，好像已吃水九英尺深。他既当船，又当船长还要当轮机铃。
7.
Catherine came to me , one morning , at eight o clock , and said she was that day an arabian merchant , going to cross the desert with his caravan ; and i must give her plenty of provision for herself and beasts : a horse , and three camels , personated by a large hound and a couple of pointers 有一天早晨八点钟的时候，凯瑟琳找我来了，说这天她作为一个阿拉伯商人，要带着她的旅队过沙漠我得给她充分的食粮，为她自己和牲口用：就是一匹马和三只骆驼，那三只骆驼是以一只大猎狗和一对小猎狗来代表。
8.
2 ) a new one time password authentication scheme . the original password authentication is vulnerable to guess attack and server personating attack . to overcome the vulnerability of this scheme , this paper designs a simple and efficient password authentication schema . the enhanced schema can improve the system ' s ability to defend all kinds of the attacks without using any cryptosystems 2 )新的一次性口令认证机制。针对postgresql原有认证机制具有易遭受口令猜测攻击和服务器端假冒攻击的缺陷，本文设计了一种简单而有效的口令认证机制。该认证机制不需要使用任何加密系统，就能有效加强对各种攻击手段的防范能力。
