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Passing down centuries old knowledge has been critical to China's incredible population growth.
传承几个世纪以来的传统技术对于中国惊人的人口增长是至关重要的
Feeding the growing millions over the centuries was only possible
几个世纪以来增长的千百万人口被养活
due to ancient engineering projects still used today for the nearly 1.4 billion
归因于古老工程仍在使用 仍被近14亿人口使用
who called this country home.
这近14亿人都把这个国家当做家园
It's the great Chinese riddle.
中国面临的巨大难题
How do you feed more than a billion people?
是怎么解决超过10亿人口的温饱
Only 11% of the country can be used to grow food.
中国只有11%的领土可以用来生产食物
Over the centuries, those living in the remotest places
几个世纪以来居住在最遥远地方的人
have had to come up with ingenius methods to make the most of the land.
必须想出最优化的方法来充分地利用土地
