英文關鍵字
analog
analysis
audio
beam
change
college
control
displays
division
electrical
electronics
engineering
equipment
fluctuations
glowing
green
impulse
industry
instrument
instrumentation
laboratories
loop
measure
measurement
monitoring
old
oscilloscope
oscilloscopes
pattern
research
scale
science
screen
serrated
signal
signals
sine
soviet
technical
technology
the
trace
universities
ussr
vintage
wave
waveforms
with