9月21日12时，"同济"号智能海洋科考船结束调查装备南海专项海试航次，停靠厦门现代码头。 该航次由同济大学船舶管理中心与国家海底科学观测系统项目办公室组织实施，包括哈尔滨工程大学、上海中车艾森迪海洋装备有限公司、中国船舶集 团公司第七○四研究所、中船航海科技有限责任公司、上海塔拉海洋技术有限公司等设备供应方参加。 海试现场。同济大学供图 本航次历时12天，航程1772海里，对5000米绞车系统、中深水多波束系统、超短基线定位系统和重力柱取样系统等作业支持与测量、取样设备进行了海 上试验和验收。在中心和所有参航单位的精心组织下，全体参航人员密切配合，克服了海况恶劣、设备复杂等困难，在海试区域40~1000米不同深度完成了 多次无人遥控潜水器（ROV）收放以及作业试验，并在全部40~3600米深度海试区域为我国首台商业化应用的中深水多波束完成了大量的测量标定与验证工 作。 本次海试进一步完善了"同济"号智能海洋科考船的调查装备体系，为即将开展的多项科考航次提供了有力保障。 ...

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]