In ecological research, a 'strong' correlation often explains 50 percent of the variation.
在生态学研究中，‘紧密的’联系通常可以解释50%的变种。
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The Ecuadorian population examined by Kronforst and his colleagues shows the same white and yellow variation found in Costa Rica but has not yet reached a level of strong reproductive isolation.
In particular, it showed that companies with a strong emphasis on book and media sales were best positioned to do this, or to try some hybrid or variation on the two.