频率逐渐变 为单 T1剩 Time Channel A Channel B Reverse T2剩8500m7586 Save 50, 000 ms 7586 GND C Channel A Channel B agger Scale5 ms/Div scale 200 0 nvDiy Scale 2 mvDiv X position D2 Y position Y position O Y/T Add B/A AB AC o DC[ Ac oCc sing Nor Puto [ A BIEt 华成英nchar@tsinghua.edu.cn华成英 hchya@tsinghua.edu.cn 频率逐渐变 为单一