不过这套系统也并非完美无瑕，它依然建立在匿名编辑的基础上，并且假设在线时间越长的编辑者提供信息的准确度更高。

The new system isn't foolproof - it still relies upon anonymous editing, and assumes that editors who have been around longer are more likely to give you accurate information.

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运用他们的遗传模型，单独依靠样本中的遗传因素，研究者们发现他们有77%的准确度可以推测也谁可以活到100岁或者更高年龄。

Using their genetic model, researchers found they could predict with 77 percent accuracy who would live to be 100 or higher based on genetics alone in the sample.

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当两点之间的距离相隔很远和要求更高的准确度时，需要使用球面模型。

The spherical model is better-suited when distances are further apart and more accuracy is needed.

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