英文關鍵字
accuracy
adjusting
backgrounds
broadcasting
colored
colors
communications
control
display
error
exam
eyesight
graphic
grid
image
multi
pattern
problems
screen
set
sign
striped
system
technology
television
test
testscreen
vertical
video
visual
英文關鍵字
accuracy
adjusting
backgrounds
broadcasting
colored
colors
communications
control
display
error
exam
eyesight
graphic
grid
image
multi
pattern
problems
screen
set
sign
striped
system
technology
television
test
testscreen
vertical
video
visual