【单选题】Three of the following authors are Nobel Prize winners. Which one is NOT?
【单选题】According to the viedo, which one is not one of the reasons that cause water pollution?
G.
technological development
【判断题】一个任意闭合回路,在磁场中改变位置或改变形状时,若维持线圈中电流不变,则磁力或磁力矩做功等于电流强度乘以磁通量的增量。
【单选题】Three of the following authors are Nobel Prize winners. Which one is NOT?
【多选题】下列协议属于传输层的有 ( 本题 2 项正确 )