They carried on their farm operations with mules and they had no surplus of these, seldom more than four.

他们是使用骡子耕作，也没有富余的，最多不过四头骡子。

Seeing as 35% of all US farm operations are beef farms, switching to beans would free up a lot of land.

鉴于美国 35% 的农场都用来生产牛肉，改种豆类将会节省大量土地资源。

He told Reuters that so far, he thinks the project shows the farm's cow operations can be greatly improved with 5G technology.

他告诉路透社，到目前为止，他认为该项目表明，5G技术可以大大改善农场的奶牛生产情况。