Group 1 - The article highlights the implementation of the "14th Five-Year Plan" in China's agricultural sector, focusing on the development and application of small agricultural machinery in hilly terraced fields, which cover nearly 700 million acres, about one-third of the country's arable land [2][3][24] - The article discusses the introduction of over 60 types of agricultural machinery designed for hilly areas, supported by national agricultural technology projects, aiming to enhance efficiency in key agricultural processes such as planting and harvesting [3][24][26] - The use of remote-controlled harvesting machines in hilly regions is showcased, demonstrating a shift from traditional labor-intensive methods to more efficient, technology-driven approaches [5][9][18] Group 2 - The article emphasizes the collaboration between agricultural machinery manufacturers and research institutions to innovate and improve machinery suited for hilly terrains, which is crucial for increasing productivity and income for farmers [16][20][24] - The article notes that the "14th Five-Year Plan" has led to significant advancements in the mechanization of hilly areas, transitioning from a lack of suitable machinery to a selection of high-quality options available for farmers [24][26] - The article mentions the establishment of pilot counties for the application of new agricultural machinery, aimed at testing and validating equipment in various hilly regions to maximize agricultural potential [9][26]