英文關鍵字
access
app
application
authentication
biometric
cellphone
code
communication
concept
data
device
digital
display
electronic
finger
fingerprint
gadget
guard
holding
icon
identification
information
internet
key
lock
man
mobile
modern
person
phone
privacy
protection
safe
scan
scanner
scanning
screen
security
sensor
smart
smartphone
software
system
technology
touch
unlock