Maglev is a system in which the vehicle runs levitated from the guideway by using electromagnetic forces between superconducting magnets on board the vehicle and coils on the ground. 以下哪种译文为更合适?( )

A. 磁悬浮是一种利用车辆上的超导磁铁和地面线圈之间的电磁力使车辆悬浮在轨道上行驶的系统。
B. 磁悬浮列车是一个系统,在该系统中,车辆利用车载超导磁铁和地面线圈之间产生的电磁吸力或斥力从导轨上浮升起来。