The data studied by concept latticetheory and rough set theory are expressed by information system and formal context respectively.
粗糙集理论的数据表现方式是信息系统，其研究基础是对象之间的等价关系；
2
Introduce the mathematical foundations of the concept lattice and some definitions in latticetheory as same as concept model related order theory.
介绍了概念格的数学基础，包括与概念格模型相关的序论和格论中的一些定义。
3
There existing out-fields in the solution, the dynamic equation of solute diffuseness in the solution is deduced from the latticetheory of liquid quasi-crystalline structure.