大部分有风险的患者不能用内置除颤器，因此必须接受常规的心电图检查。目前的许多计划只把数据的线性关系考虑在内。但是我们现在使用的是能够将心脏跳动的混乱模式作为一个直观而又复杂的系统揭示出来的非线性处理方法。海根 纳夫说，这样心脏跳动频率的变化就会受到控制，而病人个人的特征也会得到考虑。一个基于600位连续犯心脏病的患者的以前的心电图数据研究使科学家们能够比较两种风险，结果显示新软件明显能更好地处理心电图数据。[卫生类A]

　　9 Captain Cook Arrow Legend

　　It was a great legend while it lasted, but DNA testing has finally ended a two-century-old story of the Hawaiian arrow carved from the bone of British explore Captain James Cook who died in the Sandwich Islands in 1779.

　　There is no Cook in the Australian Museum, museum collection manager Jude Philip said not long ago in announcing the DNA evidence that the arrow was not made of Cooks bone. But that will not stop the museum from continuing to display the arrow in its exhibition, Uncovered: Treasures of the Australian Museum, which does include a feather cape presented to Cook by Hawaiian King Kalaniopuu in 1778.

　　Cook was one of Britains great explorers and is credited with discovering the Great South Land now Australia, in 1770. He was clubbed to death in the Sandwich Islands, now Hawaii.

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