What does HFD stand for?
HFD stands for "high-frequency Doppler"
How to abbreviate "high-frequency Doppler"?
"high-frequency Doppler" can be abbreviated as HFD
What is the meaning of HFD abbreviation?
The meaning of HFD abbreviation is "high-frequency Doppler"
What does HFD mean?
HFD as abbreviation means "high-frequency Doppler"
