Professor WANG Pei-zhuang proposed most early variable weights thought, and gives one empirical formula of variable weights in order to solve the kind of problem that constant weight synthesis merely considers each kind of indicator in the decision-making relation importance, but has neglected to the condition balanced degree by personal preference, which remain unchanged (constant weight) should be changing (indicator value) practice has a certain one-sidedness. Professor LI Hong-xing gives axiomatic defin...