What does XSO stand for?
XSO stands for "EXcess Speed Observed"
How to abbreviate "EXcess Speed Observed"?
"EXcess Speed Observed" can be abbreviated as XSO
What is the meaning of XSO abbreviation?
The meaning of XSO abbreviation is "EXcess Speed Observed"
What does XSO mean?
XSO as abbreviation means "EXcess Speed Observed"
