Using complex statistics, Worm and colleagues used the number of genera, families, and so on to predict Earth's number of unknown species, and their calculations gave them a number: 8.7 million.

通过运用复杂的统计数据，沃姆（Worm）和同事们用属、科等的数量预测出地球上未知生物的数量，计算结果为：870万。

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Using complex statistics, Worm and colleagues used the number of genera, families, and so on to predict Earth's number of unknown species, and their calculations gave them a number: 8.7 million.

通过运用复杂的统计数据，沃姆（Worm）和同事们用属、科等的数量预测出地球上未知生物的数量，计算结果为：870万。

youdao