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recently, the "jiaolong" has just completed the scientific expedition of the 2024 western pacific international voyage and arrived in hong kong for the first time for exchanges. the cultural relics of the "deep sea warrior"'s underwater treasure hunt in the south china sea - the "archaeological results of the no. 1 and 2 shipwrecks on the northwest slope of the south china sea" were opened to the public before the national day. the "struggle" still stayed at its post during the national day holiday and was busy performing scientific research tasks in the ocean.

cctv reporter zhou peipei:this is the dock of the sanya rescue bureau in hainan. the manned submersible "deep sea warrior" behind me has just completed its scientific research mission and returned to sanya aboard the "exploration 2" scientific research ship. in recent years, the "deep sea warrior" and "struggle" manned submersibles have set sail from here, helping domestic and foreign scientists to reach the deep sea abyss, explore the mysteries of the ocean, and help many countries around the world understand, develop, and protect the ocean. provide more scientific basis.

not far from the pier, du mengran, director of the science department of the institute of deep sea science and engineering, chinese academy of sciences, is leading a team to develop a new spectrometer to prepare for the "struggle"new deep sea detection sensor. the young du mengran has dived into the abyss dozens of times, and has served as the chief scientist of china and chinese and foreign joint manned deep-diving scientific expeditions many times. the institute of deep sea science and engineering of the chinese academy of sciences took the lead in launching the "global abyssal deep diving exploration plan".

du mengran, chief researcher of the science department of the institute of deep sea science and engineering, chinese academy of sciences:we now have the "deep sea warrior" and the "struggler", two powerful weapons of great power, and we hope to open them to the world. we actually have a small goal now. our "deep sea warrior" should dive no less than 100 times a year. our "struggler" has to go out to the ocean, so its small target is no less than 50 times a year.

at present,"the global abyss is deeplatent"exploration plan" has received active response and participation from scientific research institutions and personnel in more than ten countries, including new zealand, the united states, and indonesia.relying on major scientific equipment, we openedscience and technology diplomacynew situation and build a platform for international cooperation and exchange.

professor xiao xiang, school of life science and technology, director of the international research center for deep life at shanghai jiao tong university:i returned to china in 2001, and in 2021 i went down to the bottom of the mariana trench for the first time. i have been waiting for this opportunity for about 20 years. with such high-density and precise sampling, our research methods and research paradigms have changed. we no longer see everything from a single point. when we reach below 6,000 meters or 10,000 meters, we see a very vibrant world. only when you get there do you know it's real.

thanks to the many abyssal scientific expeditions carried out aboard the "struggle", marine microbial scientist xiao xiang led a team to build the world's largest abyssal microbial database. the large model trained using this data set has been used inabout 20 new industriesenzymeimprovements have led to the discovery of a large number of new species and new mechanisms of life evolution in the deepest parts of the world's oceans.

(cctv reporter shuai junquan, zhou peipei and wang wenchang)