This sketch by Leonardo da Vinci is known as' Masquerader in the Guise of a Prisoner 'and is taken from an old book of printed sketches by da Vinci.

这个素描是大家熟知的达芬奇的《囚徒扮演者》，来自于一本刊印达芬奇素描的旧书。

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In addition, the succeeded masquerader detection algorithm is proposed in this scheme. In this algorithm, the sink node monitors and examines the malicious region.

该方案也提出了成功假冒攻击源测定算法，其中采用了汇聚节点监控排查恶意区域、普通节点认证转发报警消息机制。

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The masquerader apparently was undeterred by the confrontation in July, when a protester tried to hit Murdoch with a cream pie after he testified about News Corp. phone-hacking scandals.

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