According to Baidu Encyclopedia, the icebreaker of China Polar Scientific Research is called Longxue 2. Longxue 2 is the first self-built icebreaker for polar scientific research in China. It was launched in Shanghai on September 18 and officially named. It marks a new breakthrough in the field support and support capacity of polar exploration in China. Longxue 2 is more than 1.20 meters long, and its bow is shaped like an ice-breaking hammer. It can "walk" continuously in the ice layer with a thickness of 1.5 meters at a speed of 2 to 3 nautical miles per hour, and has the ability to break ice in both directions.