VOA标准英语2012.11.29 石油天然气, military, companies, 公司, 的

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________________________________________. U.S. Defense Secretary Leon Panetta says recent computer virus attacks on Persian Gulf oil and gas companies were probably the most destructive cyber assault the private sector has seen.美国国防部长Leon Panetta称,近期针对波斯湾石油天然气公司的计算机病毒攻击,可能是目前为止私人公司遭受的最具破坏性的网络攻击.

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i852774842

Security was tight with more than 2000 police and military guarding the service after police earlier this week  reported a threat of attack on dignitaries of that event.