In order to strengthen corona effect, arista electrode used as substitute for grid electrode was presented.为了加强电极电晕效果, 提出了用芒刺电极代替栅网电极.Wires criss-cross between the tops of the poles, forming a grid.电线杆顶端的电线相互交错，形成电线网。Gri...
这项锻炼可以提高协调能力、平衡力、把握时机的能力和脚法。This exercise improves your coordination, balance, timing and footwork.采用不同的平衡力可得到相同的结果.读者应自行验校这一点.The reader should check that the same result is obtained with a different equilibrium force s...