magnetic track短语¹⁴⁴⁹⁷²⁺² 基本例句 磁道 Finally, through application to the proposed time-variant linear system, the designed controller can track rapidly the designated magnetic track and has high tracking performance. 最后将设计的控制器用于所设计的音圈马达驱动器的时变线性系统，获得跟踪速度快、跟踪精度高的效果。 cnki