（原标题：全球首个、关键突破！大国重器捷报频传） 这个国庆中秋假期我国多领域捷报频传，多项大国重器实现重要突破。 中国核聚变装置BEST主机全面开建 10月1日，中国核聚变装置BEST建设取得关键突破，重达400余吨的底座成功安装就位，将用来承载总 重约6700吨的BEST主机，标志着这一大国重器主机全面开建。 未来，该装置在国际上将首次验证演示核聚变发电，有望在2030年通过核聚变点亮第一盏灯。 全球首个"双塔一机"光热储能电站西塔调试成功 平陆运河青年枢纽船闸人字门吊装完成 10月4日，西部陆海新通道骨干工程——平陆运河建设取得新进展。平陆运河三大枢纽之一的青年枢纽 人字门大型吊装工作全部完成。 10月1日，全球首个"双塔一机"光热储能电站进入最后调试阶段，即将全系统试运行。 这座电站由两座高达200米的吸热塔、近27000块定日镜组成，全系统调试成功后能实现24小时不间断供 电。 每一面定日镜都像"追光的向日葵"：上午太阳偏东，镜子就朝东给东塔送光；下午太阳偏西，它们立刻 转头服务西塔，让阳光"两头不跑空"。 我国双潜器在北极深海实现多个首次 在中国第15次北冰洋科学考察完成考察任务中，"蛟龙"号在北极 ...

Core Viewpoint - The "Jiaolong" manned submersible successfully completed over 10 manned deep dives in the Arctic, marking China's first manned deep dive in Arctic ice areas, showcasing the enhancement of China's deep-sea entry and exploration capabilities [1][3]. Group 1 - The "Jiaolong" submersible has undergone domestic upgrades and has officially entered polar operations after sea trials in the South China Sea [3]. - The expedition, part of the China Ocean 92 voyage, was conducted from July 15 to September 8, 2025, with the support of the icebreaker "Snow Dragon 2" [3]. - The operation included manned dives, ROV investigations, and CTD water sampling in the Arctic sea area [3]. Group 2 - Valuable scientific insights were gained, including significant differences in benthic organism density, biodiversity, and individual size across tens to hundreds of kilometers, likely related to seabed topography and water depth [5]. - The discovery of suspected pockmarks, dissolution holes, and carbonate rocks suggests historical cold seep eruptions, providing key information for studying methane migration pathways in the Arctic region [5]. - The detailed investigations by the manned submersible enhanced understanding of the distribution patterns of Arctic deep-sea biodiversity and the adaptive mechanisms of ecosystems [5].

原标题：中国成功实现首次载人深潜北极冰区下潜 在科学认知方面，一是通过对调查海域高清影像资料的AI识别，初步研究发现，北极部分海域底 栖生物密度、生物多样性、个体体型在几十至上百公里空间范围内显著差异，可能与海底地形地貌及水 深有关，获得的数据和资料为绘制极区海域的生物多样性谱图和开展生物多样性保护提供强有力支撑。 二是发现了疑似麻坑、溶蚀孔洞、碳酸盐岩、多个相近的大规模条带状贝类遗迹，表明调查区可能存在 历史性的冷泉喷发，为北极地区在地质历史时期的甲烷运移通道研究提供关键信息。三是通过载人潜水 器精细调查，将有效提升人类对北极深海生物多样性分布规律、生态系统适应性机制等方面的科学认 知。（记者 阮煜琳） 记者从自然资源部获悉，2025年7月15日，"深海一号"船携"蛟龙"号从青岛启航，执行中国大洋92 航次第一航段，于9月8日返回青岛。该航次期间，在"雪龙2"号船破冰保障下于北极海域完成了10余 次"蛟龙"号载人深潜、ROV调查和CTD采水等作业。 本航次是"蛟龙"号完成国产化升级改造，继南海海试之后正式进入极区作业，成功实现了中国首次 载人深潜北极冰区下潜、首次有人/无人双潜器极区水下协同作业，深海进入和 ...

0:00 记者：刘诗平、王立彬 编导：徐中哲 新华社音视频部制作 ...

央视网消息：前不久，由自然资源部组织的中国第15次北冰洋科学考察任务圆满完成。此次考察由"雪龙2"号、"极地"号、"深海一号"和"探索 三号"四船共同实施，是我国迄今为止规模最大的北冰洋科学考察。考察期间，我国首次在地球最北端的冰封极地海域，成功完成载人深潜调 查的"破冰之旅"。 在"雪龙2"号船的保障支持下，"深海一号"船搭载"蛟龙"号成功实现了我国首次载人深潜北极冰区下潜，标志着我国载人深潜与极地考察事业 正式迈入"全海域作业"的新阶段。 国家深海基地管理中心潜航员齐海滨介绍，在北极要面临风、浪、流、冰、雾、寒等诸多复杂作业环境，尤其是在大面积冰面区域的作业，要 选择合适的下潜点，综合考虑浮冰的漂浮情况，这些都和其他海区深潜不同。 2025年7月，我国首个极区载人深潜航次正式启航。8月上旬，"雪龙2"号与"深海一号"船在北冰洋相遇会合。随后，"深海一号"顺利驶入作业 工区，"蛟龙"号开启北极首潜。 "蛟龙"号主驾驶潜航员傅文韬介绍，他们在别的地方下潜，舱内比外面要冷很多。但是北极不一样，他们进来的时候穿多少到底下也是穿多 少。会做同样多的准备工作，把每个潜次的任务完成好。 国家深海基地管理中心副主任许学伟 ...

前不久，由自然资源部组织的中国第15次北冰洋科学考察任务圆满完成。此次考察由"雪龙2"号、"极地"号、"深海一号"和"探索三号"四船共 同实施，是我国迄今为止规模最大的北冰洋科学考察。 考察期间，我国首次在地球最北端的冰封极地海域，成功完成载人深潜调查的"破冰之旅"。今天我们就来探秘深海，为您揭秘这次科考的独家 细节。先来看看如何在北极实现载人深潜。 在"雪龙2"号船的保障支持下，"深海一号"船搭载"蛟龙"号成功实现了我国首次载人深潜北极冰区下潜，标志着我国载人深潜与极地考察事业 正式迈入"全海域作业"的新阶段。 今年7月，我国首个极区载人深潜航次正式启航。8月上旬，"雪龙2"号与"深海一号"船在北冰洋相遇会合，随后，"深海一号"顺利驶入作业工 区，"蛟龙"号开启北极首潜。 首潜成功只是开始，在这个航次，更多"全球首次"在极区海域接连诞生，水声通信、精准定位等技术难题被一一攻克。 极区深潜装备改造 为"蛟龙"穿"冰甲" 在北极，零下严寒、浮冰密布、地磁异常，每一项都是对深潜装备的"极限考验"。 为了让"蛟龙"号和"深海一号"能安全作业，科研团队提前"量身定制"多项改造，让中国深潜装备拥有了应对极区环境的"专属 ...

8月4日中午，已经在北冰洋开展科考多日的"雪龙2"号结束阶段性作业，离开海冰密集度非常高的海 域，与从国内来到北冰洋冰区的"深海一号"汇合。 8月5日凌晨，两船汇合。"雪龙2"号开始为"深海一号"冰区航行引航，前往选定的"蛟龙"号首潜海域。 从7月底开始，"雪龙2"号上的中国第15次北冰洋科学考察队领队张北辰、首席科学家林龙山和船长张旭 德等人，便每天与"深海一号"上的中国第15次北冰洋科学考察队副领队许学伟进行电话会商，沟通两船 船位，分析冰情、海况，制定两船汇合计划和现场保障方案。 "与独立破冰航行相比，'雪龙2'号引航破冰需要时刻关注两船航速和两船间距的变化，同时还要随时研 判冰区环境和能见度条件，随时调整航速。""雪龙2"号船长张旭德说。 "深海一号"抗冰能力较低，船舶吃水较小，球鼻艏、吊舱沉深比较小，冰区航行的操纵能力大受影响， 并易出现船体结构受损风险。 0:00 中国第15次北冰洋科学考察近日完成全部科考作业，其中"深海一号"搭载"蛟龙"号载人潜水器在北极冰 区成功实现首潜。没有破冰能力的"深海一号"如何在北极冰区航行？"蛟龙"号冰区下潜安全如何保障？ 新华社记者对"雪龙2"号极地科考破冰船如何 ...

Core Viewpoint - The article emphasizes China's remarkable achievements over the past 76 years, highlighting the nation's journey from standing up to becoming prosperous and strong, driven by the spirit of hard work and innovation [2][3]. Group 1: Technological and Infrastructure Advancements - China has significantly improved its technological innovation capabilities, leading the world in fields such as 5G, artificial intelligence, and renewable energy [3]. - The country boasts the world's largest high-speed rail and highway networks, showcasing rapid advancements in infrastructure [3]. Group 2: Environmental and Social Progress - There are notable achievements in ecological civilization, with improvements in air and water quality, contributing to a more beautiful China [3]. - The article highlights the contributions of various professionals, including scientists, engineers, farmers, and teachers, who embody the spirit of hard work and dedication [3]. Group 3: Global Contribution and Stability - China actively participates in global governance, offering Chinese wisdom and solutions for world development, positioning itself as a stable and positive force in international affairs [3].

Group 1 - China's technological innovation capabilities are continuously improving, leading in fields such as 5G, artificial intelligence, and new energy [3] - Infrastructure construction in China is advancing rapidly, with high-speed rail and expressway mileage ranking first in the world [3] - China's achievements in ecological civilization construction are significant, contributing to a cleaner and greener environment [3] Group 2 - China actively participates in global governance, contributing Chinese wisdom and solutions for world development [3] - The progress of the nation is attributed to the hard work and dedication of various professionals, including scientists, engineers, farmers, workers, teachers, and doctors [3] - The collective efforts of individuals in different sectors are essential for the continuous development and improvement of life in China [3]

Core Insights - China's 15th Arctic scientific expedition, conducted by the "Snow Dragon 2" ship, has successfully completed its mission, marking the largest Arctic scientific investigation to date [1][3]. Group 1: Expedition Overview - The expedition involved four vessels: "Snow Dragon 2," "Polar," "Deep Sea One," and "Explorer Three," and was organized by the Ministry of Natural Resources [1][3]. - The "Snow Dragon 2" and "Polar" ships conducted comprehensive marine environmental assessments and manned submersible support in the Chukchi Sea, Canadian Basin, and central Arctic regions [3][4]. Group 2: Scientific Achievements - Significant advancements were made in multi-disciplinary investigations and atmospheric-ice-ocean collaborative observations, enhancing synchronous observation capabilities in high-latitude Arctic regions [3]. - The expedition established real-time monitoring of ice drift and underwater hydrological and ecological changes, contributing to the understanding of seasonal variations and underlying mechanisms in the Arctic [3]. Group 3: Ecological Research - The expedition deployed multiple seabed biological imaging observation systems at various depths and time scales, obtaining extensive data on the ice edge zone [3]. - Observations captured significant peaks in subsurface chlorophyll, aiding in the understanding of the formation mechanisms of "sea snow" in the Arctic and laying the groundwork for studying the ecological responses of the ice edge zone to sea ice retreat [3]. Group 4: Deep-Sea Exploration - Under the support of the "Snow Dragon 2," the "Deep Sea One" successfully conducted China's first manned deep-sea dive in the Arctic ice zone, indicating a continuous enhancement of China's deep-sea exploration capabilities [4]. - Initial research revealed significant variations in benthic organism density, biodiversity, and individual size across distances of tens to hundreds of kilometers, providing valuable insights into the spatial distribution of polar deep-sea organisms and the impact of climate change on deep-sea ecosystems [4].