theoretical art理论艺术theoreticaladj.理论上的theoretical mix of concrete混凝土理论配合比theoretical characteristics理论特征theoretical crystallization理论体系theoretical teaching system理论教学体系theoretical crystallography理论晶体学theoretical extension value理论伸长量theoretical implementations理论框架theoretical amount of slack理论松弛量theoretical nuclear physics理论核物理学theoretical basic education基础理论教育

1. They argued for the development of theoretical models.
   他们为赞成理论模型的发展而辩论。
2. By using system vicissitude theory we can construct the general vicissitude theory model of our country accounting system.
   摘要运用制度变迁理论，可以构建我国会计制度变迁的一般理论模型。