獨家報道：美國正在考慮設定多晶硅的價格底線以及徵收關税，以對抗中國在太陽能和芯片領域的影響

By Nichola Groom Aug 4 (Reuters) - The Trump administration is preparing to set a price floor and impose tariffs on polysilicon and related products, according to four people familiar with the plan, putting a material critical to solar panels and semiconductors at the center of U.S. efforts to compete with China on artificial intelligence and energy. The decision, expected to come later this