这是难以避免近亲繁殖，当这么多大熊猫相同的血。

It's hard to avoid inbreeding when so many pandas share the same blood.

youdao

研究人员称，这说明当时的男性从不同的地区寻找配偶，以避免近亲繁殖，而女性嫁到男性的家乡也是当时的一大习俗。

This is evidence that men sought partners from different regions to avoid inbreeding and that it was customary for women to move to the location of the males, the researchers said.

youdao