英文關鍵字
abstract
arrow
buttons
change
code
coding
color
communications
computer
configure
curve
data
digital
direction
display
electronics
expand
freeze
function
generated
graphic
graticule
green
hand
help
horizontal
human
information
intensity
line
menu
monochrome
move
old
oscilloscope
push
scan
screen
select
signal
symbol
system
table
technology
vector
vibrant
warning
waveform