Words similar to hvs

Example sentences for: hvs

How can you use “hvs” in a sentence? Here are some example sentences to help you improve your vocabulary:

The grades are easy, moderate, difficult, very difficult or v. diff, severe, very severe or VS, hard very severe or HVS, extremely severe or ES, and exceptionally severe or XS.
The water molecules were added to the binding site of 1hvs because all the water molecules were absent in the experimental structure.