alternating currents

Building on his Budapest vision , Tesla began experimenting with multiple alternating currents in a motor.

特士拉以他在布达佩斯的想法为基础, 开始在马达里尝试多重的交流电.

Building on his Budapest vision, Tesla began experimenting with multiple alternating currents in a motor.

特士拉以他在布达佩斯的想法为基础，开始在马达里尝试多重的交流电。

More recently, however, General Motors made a self-driving car in 1958 that adjusted its steering wheel based on the alternating currents given off by a wire placed inside the road.

后来，通用汽车在1958年设计出一款无人驾驶汽车，其原理是：由线圈感知道路中所嵌入电线的交流电信号，并相应地调整方向盘。

At certain a magnetic field, the extent of grain refinement increased with the increasement of alternating currents.

同一磁场强度下，随着电流强度的增大，晶粒变细。

The beating of heart induces alternating currents in the surrounding tissues.

心脏的搏动在其周围组织中感应出交流电流.