【单选题】Three of the following authors are Nobel Prize winners. Which one is NOT?
【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 )