Core Viewpoint - The integration of deep-sea technology into China's development strategy is highlighted, showcasing advancements in marine exploration and research capabilities, particularly in Hainan province [1][5]. Group 1: Deep-Sea Technology Development - "Deep-sea technology" has been included in the government work report for the first time, emphasizing its importance in national development [1]. - Hainan's unique geographical advantages facilitate the testing and application of deep-sea equipment, with various teams working on innovative solutions [1]. - The "Albatross" unmanned sailing vessel is designed for long-distance travel and can dive to depths of 1,000 meters, enabling scientific observations in extreme weather conditions [3][4]. Group 2: Research and Exploration Achievements - The "Albatross" successfully traversed a typhoon, collecting valuable meteorological and oceanographic data that enhances understanding of typhoon dynamics and improves forecasting accuracy [3]. - The "Fighter" manned submersible has enabled researchers to explore deep-sea ecosystems, discovering previously unknown life forms and expanding knowledge of deep-sea biodiversity [5][6]. - Collaborative efforts between the "Fighter" and other deep-sea exploration tools have led to significant advancements in marine biology research, including studies published in international journals [6]. Group 3: Infrastructure and Resource Sharing - The Nanshan Port public scientific research dock is open to all research institutions, facilitating marine equipment testing and enhancing the deep-sea technology industry chain [7]. - The number of scientific research voyages serviced by Nanshan Port has increased dramatically, from 30 in 2020 to an expected 1,416 in 2024, indicating growing research activity [7]. - The establishment of a comprehensive marine technology platform aims to integrate resources and improve research efficiency, with a reported output of 770 million yuan from deep-sea equipment in the Sanya area [8].

Core Viewpoint - The article highlights the significant archaeological discoveries from the underwater excavation of two ancient shipwrecks in the Northwest Slope of the South China Sea, marking a historic breakthrough in China's underwater archaeology, transitioning from shallow to deep-sea exploration [8][10]. Group 1: Archaeological Discoveries - The "Deep Blue Treasure" exhibition at the China (Hainan) South China Sea Museum has seen a nearly 50% increase in daily visitor numbers during the summer, showcasing artifacts from the underwater excavation [6]. - The excavation revealed a large number of artifacts, including a stunning cloisonné peacock and peony-patterned jar, previously lying at a depth of approximately 1,500 meters [6][12]. - The discovery of two shipwrecks, one filled with porcelain from Jingdezhen and the other with imported hardwood, illustrates the prosperous two-way trade along the ancient Maritime Silk Road [11][15]. Group 2: Technological Advancements - The "Deep Sea Warrior" manned submersible, which has a working depth capability of 4,500 meters, played a crucial role in these discoveries, having undergone over a decade of technological development [10]. - The successful operation of the submersible in extreme conditions demonstrates the advancements in underwater archaeology technology, allowing for exploration in previously inaccessible deep-sea areas [9][10]. Group 3: Conservation Efforts - The exhibition employs a dynamic model of "archaeology, protection, and exhibition," allowing the public to witness the conservation processes of newly recovered artifacts [14]. - Newly recovered artifacts undergo a complex conservation process to prevent deterioration due to environmental changes after being brought to the surface [14][15]. - The conservation team at the museum is dedicated to preserving and restoring these artifacts, ensuring their longevity and historical significance [14][15].

Core Insights - The article highlights the significant advancements in underwater archaeology in China, showcasing the integration of technology in exploring and retrieving historical artifacts from the deep sea [1] - It emphasizes the challenges faced in underwater archaeology, such as complex environments and the preservation of artifacts, which necessitate higher technological standards [1] Summary by Sections Development of Underwater Archaeology - Underwater archaeology in China began in 1987 and has evolved from non-existence to a robust field capable of exploring depths of up to 1,500 meters [1] - The development of marine detection technology and interdisciplinary archaeological capabilities has provided a solid foundation for underwater explorations [1] Technological Innovations - The use of innovative salvage techniques allows for millimeter-level precision in retrieving artifacts, exemplified by the recovery of the ancient Southern Song Dynasty ship "Nanhai No. 1" [1] - Molecular-level biological research techniques have been employed to verify the age of artifacts, such as rice husks found in retrieved porcelain bottles [1] - The deployment of manned submersibles and other advanced technologies facilitates systematic scientific exploration of ancient shipwreck sites [1] Future Prospects - There remain numerous valuable historical relics waiting to be uncovered, indicating ongoing opportunities for archaeological research [1] - The article expresses hope for further technological innovations to enhance the understanding of China's rich and profound civilization [1]

Core Insights - The article highlights the significant archaeological discoveries made in the South China Sea, particularly the excavation of two ancient shipwrecks at a depth of approximately 1500 meters, marking a historic breakthrough in underwater archaeology for China [2][8]. Group 1: Archaeological Discoveries - The "Deep Sea Warrior" manned submersible discovered a large number of ancient ceramic jars during its 500th dive, located about 150 kilometers southeast of Sanya, in the South China Sea's northwest slope [2][3]. - The excavation of the two shipwrecks, which were found to contain thousands of artifacts, demonstrates the prosperity of ancient maritime trade along the Maritime Silk Road [4][6]. Group 2: Technological Advancements - The "Deep Sea Warrior" submersible, developed with over 95% domestic technology, has a working capacity of up to 4500 meters underwater, enabling Chinese archaeologists to explore previously unreachable depths [3][4]. - The successful extraction of artifacts involved advanced technologies such as high-resolution imaging and 3D scanning, which aid in documenting and preserving the archaeological findings [5][6]. Group 3: Exhibition and Preservation - The "Deep Blue Treasures" exhibition at the China (Hainan) Nanhai Museum showcases the archaeological findings and emphasizes the importance of artifact preservation through a dynamic approach of simultaneous excavation and exhibition [7][8]. - The preservation process for artifacts extracted from the deep sea is complex, requiring careful cleaning and desalination to prevent deterioration due to environmental changes [7][8].

Core Insights - The article discusses the advancements and capabilities of manned submersibles in deep-sea exploration, highlighting China's achievements in this field [2][4][8] Group 1: Manned Submersibles - The "Fendouzhe" submersible has successfully conducted deep-sea research, including the collection of valuable biological samples from the Mariana and Yap trenches, with findings published in the journal "Cell" [1][8] - The "Deep Sea Warrior" submersible, with a 95% domestic production rate, is set to conduct deep-sea archaeological work in the South China Sea, having already identified over 100,000 relics from shipwrecks [5][7] - Manned submersibles are equipped with advanced technologies, including a life support system, high-pressure resistant materials, and communication systems that allow for real-time data exchange with research vessels [3][4] Group 2: Deep-Sea Research and Discoveries - Research on deep-sea shrimp has revealed their significant role in the deep-sea ecosystem, acting as both decomposers and prey for larger predators, providing insights into life adaptation in extreme environments [9][10] - The deep-sea environment, characterized by high pressure and low temperatures, poses unique challenges for exploration, necessitating specialized equipment and techniques for sample collection [3][9] - The genetic study of deep-sea shrimp represents the deepest animal genome published to date, contributing valuable data for understanding deep-sea ecosystems [10]

Group 1 - The Deep Sea Research Institute has celebrated its 9th anniversary and awarded medals to its first batch of deep-sea divers, highlighting their contributions to deep-sea exploration [1] - The institute operates two manned submersibles, "Deep Sea Warrior" and "Fighter," with a total of 25 divers, averaging 32 years of age, primarily from engineering backgrounds [1] - A total of 1,204 dives have been conducted by the divers, with "Deep Sea Warrior" achieving 820 dives and "Fighter" 384 dives, including 25 dives to depths exceeding 10,000 meters [2] Group 2 - "Deep Sea Warrior" has set multiple records, including 12 dives in 8 days, while "Fighter" made history with 8 consecutive dives to depths of 10,000 meters [2] - The deep-sea exploration has led to significant discoveries, including two Ming Dynasty shipwrecks in the South China Sea and the first-ever deep-sea rock samples from depths of 10,000 meters [2] - The "Fighter" submersible has focused on deep-sea areas greater than 6,000 meters, conducting international collaborative dives in major oceanic trenches, yielding valuable scientific samples and data [3]