CHB is a sample of university students at a top-ranking Beijing university (so high gaokao scorers), not of Beijing residents or Beijing natives. The...
There isn't really a user manual as such, as each calculator can be different in terms of population acronyms. This is what I know off the top of my...
Good examples. These facts can be considered random, as you suggest, or they can be considered natural, determining the course of further history, as...
