Compared with prior art, the invention reduces the time of rough tuning as well as provides higher tuning precision according to the needs.

本发明与传统结构相比，既缩小了粗调谐所需时间，又可以根据需要获得较高的 调谐精度。

youdao

Compared with prior art, the invention reduces the time of rough tuning as well as provides higher tuning precision according to the needs.

本发明与传统结构相比，既缩小了粗调谐所需时间，又可以根据需要获得较高的 调谐精度。

youdao