春秋战国是我国历史上一个重要的革命转变时期,也是我国农田水利事业飞跃发展的时期。在这几百年中间,由于铁制工具的推广使用,“使更大面积的农田耕作,开垦广阔的森林地区成为可能”。社会生产力突飞猛进,劳动生产率大为提高。在奴隶反对奴隶 The Spring and Autumn and the Warring States Period are an important period of revolutionary change in our country’s history and are also a period of rapid development of China’s farmland water conservancy. In the midst of these centuries, due to the promotion and use of iron tools, “it is possible to cultivate a larger area of ​​farmland and open vast forest areas.” Social productivity has grown by leaps and bounds, and labor productivity has greatly increased. Slaves against slaves