Borlaug 新型半矮秆抗病品种，被称为 Pitic 62 和 Penjamo 62，极大地改变了墨西哥小麦的潜在产量。

Borlaug's new semi dwarf, disease resistant varieties, called Pitic 62 and Penjamo 62, changed the potential yield of Mexican wheat dramatically.

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人们曾经认为，蚂蚁培育的真菌是它们繁殖的一种单一品种，自远古时期以来基本上没有改变。

It was once thought that the fungus that ants cultivate was a single type that they had propagated, essentially unchanged from the distant past.

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一个新的研究表明，人类的偏好已经大大改变了结构和品种的狗的立场某些脑，有可能改变他们的行为和嗅觉的表现不错。

A new study suggests that human preferences have dramatically altered the structure and position of the brain in certain dog breeds, potentially modifying their sense of smell and behavior as well.

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