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Wan LixinOpinion deputy editor of Shanghai Daily
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Unmanned submersible finishes task
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China鈥檚 unmanned submersible, Qianlong 2, has completed its expedition mission in the southwest Indian Ocean, according to the Chinese Academy of Sciences yesterday.
Qianlong 2 was developed by the Shenyang Institute of Automation under the CAS.
The voyage in the southwest Indian Ocean was its first mission after technical upgrading.
The upgraded version of Qianlong 2 has more endurance and the ability to collect near-bottom water samples.
It has made four dives in typical hydrothermal areas of the southwest Indian Ocean and obtained high-quality data of the seabed, including 3D topography, turbidity, methane and magnetic data, which will provide support for the exploration of polymetallic sulfide resources in China.
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