Core Viewpoint - The development of the marine economy is a key area for China's future growth, with recent government meetings emphasizing high-quality development in this sector [1] Group 1: Achievements and Current Status - China has made significant progress in marine economic development, achieving breakthroughs in marine technology, including the successful deployment of major projects like the "Jiaolong" deep-sea submersible and the "Deep Sea No. 1" gas field [1] - Regions such as Shandong, Jiangsu, and Fujian are actively promoting marine industry policies to enhance development capabilities [1] Group 2: Resource Development and Security - The marine environment is viewed as both a resource reservoir and a strategic barrier, with China prioritizing the protection of marine rights and security [1] - Efforts include the development of marine oil and gas, fisheries, and renewable energy industries, alongside strengthening maritime enforcement and management systems [1] Group 3: Technological and Ecological Strategies - There is a recognized gap in key core technologies compared to global marine powers, necessitating a multi-faceted approach to enhance marine capabilities [2] - The focus is on developing marine technology plans that address real-world needs, particularly in clean energy for ports and high-end marine equipment [2] - Ecological considerations are integral to marine development, with strict adherence to ecological protection measures and promotion of green marine industries [2] Group 4: International Cooperation - China aims to actively participate in global marine governance and advocate for a marine community with a shared future [3] - Strengthening cooperation with countries along maritime routes is essential for enhancing trade and technological exchanges [3] - China seeks to contribute to international marine rule-making, thereby increasing its influence in global marine governance [3]

Core Viewpoint - Hainan is innovatively implementing a three-dimensional layered rights allocation for marine areas, transforming the traditional flat usage model into a more efficient and harmonious coexistence of various marine projects, thereby unlocking new dimensions for marine economic development [2][4]. Group 1: Innovative Marine Space Management - The new approach allows for the division of marine space into four layers: water surface, water body, seabed, and subsoil, enabling different projects to coexist without conflicts over space [4][5]. - The implementation of this layered rights allocation is seen as a necessary choice to improve resource utilization efficiency and resolve conflicts in marine usage [5][6]. Group 2: Practical Applications and Benefits - The first project under this new model is the Hainan seabed data center, which occupies only 14.46 hectares across three layers, leaving the seabed space available for other uses [3][7]. - Other projects, such as the cross-Ningyuan River connection and the municipal connection project in Sanya, have successfully utilized layered marine space, marking a significant advancement in marine management practices [7]. Group 3: Regulatory Framework and Future Directions - The new regulations, effective from May 1, provide a solid legal foundation for the layered rights allocation, promoting a shift from two-dimensional to three-dimensional marine management [5][6]. - Future plans include further research and the establishment of mechanisms for the exit of inefficient marine usage, aiming for sustainable development of marine resources [7].

Core Viewpoint - Japan is planning to construct a new research vessel to enhance deep-sea exploration capabilities, addressing the aging of the current vessel "Yokosuka" and the need for advanced technology in marine resource development [1][2]. Group 1: New Research Vessel Development - The new research vessel will be equipped with various autonomous and remotely operated underwater vehicles, including AUVs, ROVs, and manned submersibles like "Deep Sea 6500" [1]. - The Japanese government aims to allocate budget for this new vessel in the fiscal year 2026, with design taking 1-2 years and construction requiring 3-4 years [1]. - The new vessel will significantly reduce the time required for marine surveys and decrease the need for manual underwater operations, thus lowering personnel and operational costs [1]. Group 2: Importance of Deep-Sea Research - Deep-sea exploration is crucial for investigating essential minerals such as rare earth elements used in electric vehicle components, as well as for discovering unknown marine life and predicting trench-type earthquakes [1]. - The current vessel "Yokosuka," which has been in service for 35 years, is facing aging issues and parts supply shortages, necessitating the construction of a new research vessel [1][2]. - If the construction of the new vessel is delayed, there may be a gap in Japan's marine research capabilities, particularly affecting the operation of critical exploration tools like the "Deep Sea 6500" [2].

Core Perspective - The article emphasizes the significance of oceans in shaping human civilization and their role as a vital resource for economic development and sustainability [2][4]. Group 1: Ocean's Historical and Scientific Significance - The book "Eighteen Lectures on Ocean Culture" explores the origin and evolution of oceans, detailing their transformation from the primordial "magma ocean" to the current vast blue world [3]. - Ocean studies encompass various phenomena, including the composition of seawater, waves, tides, and currents, which are crucial for understanding natural mysteries and climate regulation [3]. - The ocean has been a cradle for life, witnessing significant evolutionary milestones over nearly 4 billion years, including the emergence of multicellular organisms and the ancestors of terrestrial vertebrates [3]. Group 2: Economic and Cultural Impact of Oceans - Oceans serve as a foundation for human survival and development, facilitating global connectivity and economic prosperity through trade and tourism [4]. - The ocean economy is a critical component of global economic growth, providing numerous job opportunities and driving sustainable development [4]. - The rise of technologies such as artificial intelligence and IoT enhances the efficient development of ocean resources, including renewable energy [4]. Group 3: Challenges and Sustainable Development - The ocean faces significant challenges, including pollution, overfishing, and coastal wetland destruction, which threaten ecological balance [4]. - There is a shift towards a sustainable blue economy, supported by blue finance and digital technologies, aiming for harmonious coexistence between oceans and human society [4]. - International treaties and regional agreements are essential for maintaining peace and stability in ocean resource management [4]. Group 4: Educational Value - "Eighteen Lectures on Ocean Culture" serves as a comprehensive textbook for undergraduate students, integrating knowledge from history, culture, economics, law, and modern science to enhance understanding of the ocean's relationship with human society [5].

Core Viewpoint - The article highlights the rapid development of China's deep-sea economy, projecting a national marine production value to exceed 10 trillion yuan in 2024, accounting for 7.8% of GDP, with a growth rate surpassing GDP by 0.9 percentage points [1][6]. Group 1: National Strategy and Policy Support - Deep-sea technology has been recognized as a strategic emerging industry, included in the 2025 government work report alongside commercial aerospace and low-altitude economy as new economic engines [3]. - The State Council issued a supplementary document for the "14th Five-Year" marine economic development plan, allocating significant funding to support deep-sea technology industrialization [6]. - Various coastal provinces have introduced policies to support marine economic development, indicating a regional competition to advance into the deep sea [6][7]. Group 2: Market Potential and Industry Growth - By 2030, the market size of core deep-sea technology segments is expected to reach 921.2 billion yuan, with potential for auxiliary maintenance services to push it into the trillion-yuan club [12]. - The global deep-sea mining market is projected to exceed 30 billion USD by 2030, with China holding a technological advantage and the most international exploration contracts [12]. - The deep-sea equipment manufacturing sector is anticipated to see an annual growth rate exceeding 12%, driven by the extreme conditions of deep-sea environments [12]. Group 3: Technological Advancements - China's deep-sea technology has reached the international first tier, with successful trials of the new generation of manned submersibles [9]. - The domestic production rate of high-end components for deep-sea equipment is currently below 65%, indicating significant opportunities for domestic manufacturers [9]. - Innovations in cross-disciplinary fields, such as underwater data centers and AI monitoring systems, are emerging as key areas of growth [9][14]. Group 4: Investment Trends and Capital Flow - The current stage of the deep-sea industry resembles the early days of the new energy sector, characterized by clear policies, technological breakthroughs, and defined application scenarios [16]. - Major investment firms are establishing specialized funds to capitalize on deep-sea projects, indicating a surge in interest and competition among investors [8][16]. - The valuation of companies with full deep-sea operational capabilities is rising, with significant interest from private equity in "hidden champions" within the sector [16].

Core Viewpoint - Zhejiang province is taking significant steps to enhance the high-quality development of its marine economy through innovative policies and effective utilization of marine resources [1][4][15] Group 1: Marine Resource Utilization - Zhejiang has pioneered a policy for the concentrated and phased transfer of historically reclaimed coastal land, leading to improved land utilization and the introduction of projects in renewable energy and high-end equipment manufacturing [3][4] - The comprehensive utilization rate of historically reclaimed coastal land in Zhejiang has reached 40%, with industrial projects accounting for 54% of the usage, driving over 130 billion yuan in investments [4] - The province has implemented a "three-dimensional" marine space utilization model, allowing for multiple layers of use in the same marine area, which enhances resource efficiency and reduces conflicts between industries [9][11] Group 2: Policy Innovations - Zhejiang has established a unified online trading platform for marine resource rights, streamlining the transaction process and reducing costs for enterprises [6][7] - The province has introduced a series of policies to manage and green the water systems in historically reclaimed areas, rewarding projects that meet new land use indicators [3][4] - The government has actively coordinated efforts to address challenges in the implementation of these policies, ensuring effective execution and resource allocation [3][15] Group 3: Economic Impact - The transformation of low-efficiency marine areas has led to significant economic benefits, with average output per acre increasing from 500,000 yuan to 2.5 million yuan through the consolidation of enterprises [13][14] - The pilot projects in marine resource management have resulted in a more favorable business environment, enhancing government service efficiency and regulatory oversight [15] - The ongoing efforts in marine resource utilization are expected to continue driving economic growth while balancing ecological protection [15]

Core Points - The article highlights the advancements in China's surveying technology over the past 50 years, particularly in measuring the height of Mount Everest, showcasing a significant evolution from traditional methods to modern techniques [1][3][12] - It emphasizes the importance of technological innovation in achieving more accurate measurements, with the precision improving from ±0.35 meters in 1975 to ±0.05 meters in 2020 [8][10][12] Group 1: Historical Milestones - In 1975, China conducted its first independent measurement of Mount Everest, achieving a height of 8848.13 meters, which was recognized internationally [3][4][22] - The 2005 measurement utilized modern techniques such as GPS and snow depth radar, marking a significant historical breakthrough by providing the first accurate measurement of the Everest rock surface [5][23] - The 2020 measurement incorporated advanced technologies, including aerial gravity measurement and the Beidou satellite system, significantly enhancing the accuracy of the height measurement [6][24] Group 2: Technological Advancements - The transition from traditional optical measurement methods to satellite-based positioning systems in the 1990s marked a pivotal shift in surveying technology [4][23] - The 2020 measurement collected over 1.44 billion data points, far exceeding the data collected in previous measurements, showcasing advancements in data processing and technology [6][24] - The integration of artificial intelligence, big data, and cloud computing into surveying practices is expected to revolutionize the field, leading to smarter and more efficient measurement techniques [16][19] Group 3: Future Directions - The article discusses the ongoing transformation towards intelligent surveying technologies, with a goal to complete the transition from digital to intelligent surveying by 2035 [19] - Emphasis is placed on the need for continuous innovation to address key technological challenges and enhance the capabilities of surveying equipment [18][19] - The future of surveying in China is projected to focus on building a comprehensive spatial-temporal system that integrates various technologies for improved data acquisition and processing [19][20]

Core Viewpoint - Zhejiang is leveraging its unique geographical advantages and rich marine resources to build a strong marine province, focusing on high-quality development during the "14th Five-Year Plan" period [1]. Group 1: Marine Resource Management - Zhejiang is implementing integrated innovation in marine management systems to enhance the efficient use of marine resources and improve approval efficiency for marine usage [3][5]. - The province has introduced 12 supportive measures to promote high-quality development of the marine economy, focusing on planning, optimization of approval services, and regulatory protection [3]. Group 2: Industrial Development - From 2021 to 2024, Zhejiang is set to secure over 50,000 acres for project marine usage, contributing to the construction of a common prosperity demonstration zone [7]. - The successful online transaction of marine usage rights marks a significant step towards market-oriented allocation of marine resources [7]. Group 3: Ecological Protection - Zhejiang is enhancing marine ecological safety through comprehensive monitoring and regulatory systems, including the establishment of a multi-source monitoring network [15][19]. - The province has initiated 280 coastal monitoring stations to assess marine ecological conditions, showing a stable improvement in ecological status [16]. Group 4: Carbon Neutrality Initiatives - Zhejiang is exploring marine carbon sink initiatives, aiming to establish a "Zhejiang model" for marine carbon sink development, and has conducted extensive research on blue carbon ecosystems [22]. Group 5: Infrastructure and Investment - The province is actively revitalizing existing marine construction usage and has identified 20 projects that have mobilized investments of 8.5 billion yuan [13].