The paper uses the method of theory and authentic proof . firstly , it disuses the strategic meaning about state - owned asset how to retreat from composite field from the theory 本文采用理论和实证相结合的方法,首先从理论上论述国有资产从竞争性领域退出的战略意义。
百科解释
In quantum field theory, a composite field is a field defined in terms of other more "elementary" fields. It might describe a composite particle (bound state) or it might not.