砺剑深潜

Core Insights - The "Jiaolong" manned submersible has undergone significant upgrades over the past decade, enhancing its capabilities and operational efficiency in deep-sea exploration [2][3][4] Group 1: Technological Advancements - The "Jiaolong" submersible has improved its propulsion system, now utilizing domestically produced thrusters, which have increased its maximum speed from 2.5 knots to 3 knots [2] - The submersible's observation system has been upgraded to a 10-channel 4K HD video system, allowing for better underwater visibility and observation capabilities [3] - The operational support team for "Jiaolong" has been reduced from around 17 personnel to approximately 10, significantly enhancing operational efficiency [3] Group 2: Achievements and Milestones - "Jiaolong" has set a record with a maximum diving depth of 7062 meters, marking a significant milestone in China's manned deep-sea exploration [4] - The submersible has been part of collaborative underwater operations with other submersibles, such as the "Fendouzhe," expanding China's deep-sea exploration capabilities [3][4] - During the "Fendouzhe" mission, China has established a strong presence in deep-sea exploration, with annual deep-sea missions accounting for over half of the global total [4] Group 3: Cultural Impact - The "Jiaolong" submersible has transcended its technological role to become a cultural symbol, inspiring stories and recognition within families and communities [5] - The emotional connection to "Jiaolong" is highlighted by personal stories, such as a child's drawing of the submersible, showcasing its significance beyond just a scientific instrument [5]