機器
3d render
activity
amplitude
analog
chart
concept
crime
curve
detect
diagram
drawing
electronic
examination
frequency
graph
grid
indicator
ink
instrument
isolated
lie
lie detector
lie detector test
marker
measure
metal
meter
needle
pad
paper
peak
pen
pointer
polygraph
polygraph test
pulse
rates
record
red
retro
sheet
steel
studio shot
stylus
technology
test
truth
wave