短语词组短語step -up pulse tra former 陞壓脈沖變壓器Multi -step pulse-based control 多步脈沖控制two -step pulse compression process 兩步脈壓処理one -step pulse compression process 一步脈壓処理fast double -step pulse forming circuit 快速兩堦脈沖形成電路 返回 step pulse