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2008年春节前夕,因为罕见的持续低温和雨雪冰冻天气,我国南方多个省、市、自治区遭受几十年来罕见的自然灾害.雪灾中,有大批抗击风雪的人们,为了让灾区早日通上电,攀爬电杆之上,检修线路;为了让被冰雪封闭的道路早日通畅,天寒地冻中,铲雪除冰,奔走冰雪路段,疏散交通;为了安排好灾区群众生活,危难之时,紧急救援.在雨、雪、冰的形成过程和抗击暴风雪的战斗中,蕴涵着许多的物理知识及物理
On the eve of the Spring Festival in 2008, due to the rare continuous low temperature and freezing weather, many provinces, cities, and autonomous regions in southern China have suffered natural disasters that have not been seen for decades. In the snowstorm, there are a large number of people fighting snowstorms, so that the affected areas can be reached as soon as possible. Electricity, climbing poles, overhauling routes; in order to make ice-snow blocked roads clear as soon as possible, freezing in cold weather, shoveling snow and removing ice, running ice and snow roads, and evacuating traffic; in order to arrange for the lives of people in disaster areas, it is difficult to At the time, emergency rescue. In the formation of rain, snow, ice and the fight against snow storms, there are many physical knowledge and physics