direct observation

direct observation at atomic scale and simulation

method of direct observation

adjustment for a mixed network consisting of both GPS observation and conventional observation

[R] knowledge

“Routine” knowledge

2Model--Knowledge

a little knowledge

a priori knowledge

a treasure of knowledge

absolute knowledge

abstract knowledge

accumulation of knowledge

acquire knowledge

acquirement and improvement of knowledge

acquiring knowledge thoroughly

acquisition of knowledge

action knowledge

active builder of knowledge

active knowledge