0 based on the ideas that relate to a subject, not the practical uses of that subject -- 理论上的；纯理论的
theoretical physics 理论物理
Physics is a theoretical and empirical science that insists upon the public, observable accessibility of its data and experiments.
Perhaps it is they who must decide the question on theoretical, theological grounds, if any there be.
In contrast to most inferential tests, non-significant results are required to provide support for the theoretical model.
Apostles of the theoretical energies of recent years may find an unwelcome scepticism about theory in general, and traditionalists an analogous disenchantment with 'common sense'.
Theoretical investigations of the evolution of communication, and the evolution of cultural transmission are far from complete.
We are not aware of these lines and angles of theoretical geometrical optics; they can not be the intermediary by which we perceive distance.
The value of the personal accounts analysed here is in helping to develop new theoretical areas.
In each case, the white-centered lines are the theoretical predictions, and each dark point represents a species.
