英文關鍵字
amplitude
analogue
and
artificial
background
bacteria
biology
black
blue
definition
detailed
digital
dish
dna
experiment
frequency
frequencyn
glowing
growth
health
heartbeatpulse
high
illustration
isolated
line
medicine
miscroscope
modificated
multiplication
nfading
organizm
oscillating
oscillations
petri
pharmacy
research
science
screen
signal
signalnn
varying
virus
waveform
waveformn