英文關鍵字
oscilloscope
waveform
frequency
zoom
amplitude
audio
music
technology
science
analysis
measurement
display
monitor
research
experiment
laboratory
detail
precision
yellow
black
dynamic
fluctuation
acoustics
sonic
hertz
magnifying
英文關鍵字
oscilloscope
waveform
frequency
zoom
amplitude
audio
music
technology
science
analysis
measurement
display
monitor
research
experiment
laboratory
detail
precision
yellow
black
dynamic
fluctuation
acoustics
sonic
hertz
magnifying