其中农业技术又包含对农作物、农具、耕作和栽培技术、农田水利技术等的考察。
The agricultural technology refers to the study of crops, farm tools, tillage and cultivation technology, farmland's irrigation technology.
第三部分，研究了唐代的牛耕技术，具体讨论了唐代的牛力农具、牛耕方式和耕作水平。
The third part studies the technique of cow plow of Tang Dynasty, concretely discussed the farm implements about cow, the cow plow method and farming level in Tang Dynasty.
用于农业耕作中以节省劳力的机械设备，包括牵引机和农具。
Mechanical devices, including tractors and implements, used in farming to save Labour.
用于农业耕作中以节省劳力的机械设备，包括牵引机和农具。
Mechanical devices, including tractors and implements, used in farming to save Labour.
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