Core Insights - The "Tongji" intelligent ocean research vessel successfully completed a specialized sea trial in the South China Sea, marking a significant advancement in marine research capabilities [2] Group 1: Sea Trial Details - The sea trial lasted 12 days and covered a distance of 1,772 nautical miles [2] - Various systems were tested, including a 5,000-meter winch system, medium-deep water multi-beam system, ultra-short baseline positioning system, and gravity core sampling system [2] - The trial involved multiple operations at depths ranging from 40 to 1,000 meters, successfully conducting numerous remote-operated vehicle (ROV) deployments and tests [2] Group 2: Collaboration and Support - The trial was organized by the Tongji University Ship Management Center in collaboration with the National Undersea Science Observation System Project Office [2] - Participation included several institutions and companies, such as Harbin Engineering University and China Shipbuilding Group's 704 Research Institute [2] - The successful execution of the trial was attributed to the close cooperation among all participating units, overcoming challenges posed by harsh sea conditions and complex equipment [2] Group 3: Future Implications - The sea trial further enhanced the investigation equipment system of the "Tongji" vessel, providing strong support for upcoming scientific research voyages [2]

Core Points - The 21st Science and Technology Activity Month in Sanya officially opened on May 26, themed "Determined to Innovate and Build a Strong Technological Nation" [1] - A series of public science popularization activities will be conducted to stimulate enthusiasm for technological innovation and accelerate the development of the technology sector [1][2] Group 1 - The opening ceremony featured nearly 40 interactive exhibition areas with diverse science popularization activities, including fire safety demonstrations and quiz games [1] - High-tech exhibits were showcased by institutions such as Harbin Engineering University and Sanya Nanhai Innovation Development Base, highlighting advanced technologies like methanol engines and agricultural drones [1][2] Group 2 - Over the next month, Sanya will organize open days at science popularization bases and technology museums, along with six themed activities including "Sea, Land, and Air" one-day study tours [2] - Sanya has established a distinctive urban technology innovation system, with five national-level technology innovation platforms and 53 provincial-level platforms, achieving significant results in fields like deep-sea technology and healthcare [2]