What does HEC stand for?
HEC stands for "Hierarchical Ecological Classifications"
How to abbreviate "Hierarchical Ecological Classifications"?
"Hierarchical Ecological Classifications" can be abbreviated as HEC
What is the meaning of HEC abbreviation?
The meaning of HEC abbreviation is "Hierarchical Ecological Classifications"
What does HEC mean?
HEC as abbreviation means "Hierarchical Ecological Classifications"
