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　　Aerial photo taken on April 23, 2019 shows a new type of nuclear submarine of the Chinese People's Liberation Army (PLA) Navy on the sea off Qingdao, east China's Shandong Province. A naval parade was staged here to mark the 70th founding anniversary of the PLA Navy on Tuesday.

　　4月23日，慶祝中國人民解放軍海軍成立70周年海上閱兵活動在青島附近海空域舉行。這是中國某新型核潛艇。