卡门卡先生在黒帽黑客大会的报告会上详细说明了此种攻击。

Mr Kamkar detailed the attack during a presentation at the Black Hat hacker conference.

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Nelson沿着隧道小心前行，绕过成堆的碎石和许多块像黒骰子般滚落到粉尘地上的煤炭。

Nelson picked his way along the tunnel, stepping around piles of broken stone and lumps of coal tumbled like black dice across the dusty floor.

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这些克洛·维斯文化的古印第安人利用公园里发现的大量的黒曜岩来制造这样的切割工具和武器。

These Paleo-Indians, of the Clovis culture, used the significant amounts of obsidian found in the park to make such cutting tools and weapons.

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