What does YAO stand for?
YAO stands for "Yunnan Astronomical Observatory"
How to abbreviate "Yunnan Astronomical Observatory"?
"Yunnan Astronomical Observatory" can be abbreviated as YAO
What is the meaning of YAO abbreviation?
The meaning of YAO abbreviation is "Yunnan Astronomical Observatory"
What does YAO mean?
YAO as abbreviation means "Yunnan Astronomical Observatory"
