目前,莫斯科的钢筋混凝土结构的电视塔为520米,其基座的直径为65米,尖端的直径为7米。现在波兰决定在波兰的中心,普洛次克(Plosck)建造世界上最高的发射塔。这个塔采用管形结构,用手臂一样粗细的钢索拉住,高达642米(按目前最高的电视铁塔为美国的630米)。设计人员计算出,大风下塔顶将摆动±1.2米。这样的高度可 At present, Moscow’s reinforced concrete structure of the TV tower is 520 meters, the base diameter of 65 meters, the tip diameter of 7 meters. Now Poland has decided to build the tallest tower in the world at the heart of Poland, Plosck. The tower uses a tube-shaped structure, with the arm of the same thickness of the cable pull, up to 642 meters (at present the tallest television tower for the United States 630 meters). The designer calculates that the top of the tower will swing ± 1.2 meters under strong winds. This height can be