<正>THE launch in 1984 of the Xiangyanghong No.10 marked China’s first Antarctic survey tour.As the ship was not able to break ice,it was a tough start to the country’s Antarctic explorations.But after 30 years of effort,Chinese scientists have successfully sailed from Shanghai to the Southern Hemisphere and beyond to the earth’s southernmost continent.China has since witnessed great achievements in its scientif ic expeditions to the