in agriculture around the world.

引起的主要变化
You can see going back hundreds and thousands of years about

你可以往过去的几百年几千年里看
what happened with different parts of the agriculture revolution,

不同地区的发生了怎样的农业革命
where agriculture,

哪里出现了农耕
the domestication of animals that we talked about before,

我们之前讨论过的家养动物
the specific cultivation of crops came in at one point.

和某时间点上的出现的特定谷物的种植
Those were major advances,

这些都是重大进展
but those took a long, long time to kick in.

但那些花了很长很长时间才开始
In fact, the Green Revolution

事实上绿色革命
has happened over only a period of about 45 or 50 years.

只开始实施了大概45到50年的时间
So very impressive changes

因此在一小段时间里发生了
in a short period of time,

非常引人注目的变化