The "TAN SUO YI HAO" scientific research ship carrying the "striver" manned submersible successfully returned to Sanya on the 10th. From August 11 to October 10, 60 scientific research team members participated in the abyss scientific research task and carried out the first conventional scientific research application of the "striver". The "striver" dived 28 times, of which 7 times exceeded 10000 meters, and collected a batch of precious abyssal sediments, rocks and biological samples.