There were also some surprising elements to the report, scientists say.

科学家们认为，在这篇报告中还有一些令人惊讶的因素。

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Scientists are still not sure why some rare pandas have brown fur, the report said.

科学家目前还不清楚棕色熊猫产生的原因。

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That report was written by 620 scientists from 40 countries.

该报告是由来自于40个国家，620位科学家所撰写的。

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That report was written by 620 scientists from 40 countries.

该报告是由来自于40个国家，620位科学家所撰写的。

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