Group 1: Aerospace Industry - The Long March 5 series rocket, known as "Fat Five," is a significant product of China's aerospace ambitions, with a focus on reducing weight to lower launch costs and increase payload capacity [2][4] - Innovative double-sided milling processing proposed by a technician, Yao Yachao, addresses the issue of uneven stress during bending of large wall panels, enhancing production efficiency [4][6] - Yao Yachao's workshop has achieved a 100% qualification rate for processed parts over his 10 years of work, showcasing the high standards of quality in China's aerospace manufacturing [6][8] Group 2: Agricultural Research - Tianjin Cucurbit Research Institute is the only research institute in China focused on cucumber breeding, having developed multiple cucumber varieties that are widely adopted in the market [12][14] - The cucumber industry faced significant challenges due to a viral outbreak in 2022, prompting researchers to investigate and develop resistant varieties [14][16] - Han Yike, a leading cucumber breeder, has developed 23 new cucumber varieties, with a cumulative promotion area exceeding 600,000 acres, generating approximately 6 billion yuan in economic benefits [14][16] Group 3: Rice Breeding - Tianjin is a traditional area for japonica rice cultivation, with a focus on developing high-quality rice varieties to combat historical pest issues [19][21] - Over 40 years, researcher Yu Fu'an has developed several rice varieties that now cover over 80% of the rice planting area in Tianjin, significantly improving local agricultural productivity [21]