示波器······················································································································· ··1您可以用示波器做什么？··顺<···························磷孔流长oscimpopes··················································· ··········································································· ········································································································································································································································································································如3个数字存储流长镜，······································································································ ·······4个数字磷孔示波器···························································································保持保持······························5