implicational造句

the representation of mutually inverse implicational proposition by projective cylinder of spatial curve
互逆蕴涵命题的空间曲线投影柱面表示
secondly, the paper focuses on the efficiency of inference engine . considering the fact that rdb stores the knowledge, we use the following steps : the relational construction and granularity disassembling of knowledge, implicational inference . beyond the above, we consider the advantages of rdb and unite the technology of database's index, association and filter to project a mixed inference mechanism
二是在推理机的推理效率方面，利用知识存储在数据库中这一事实，hkbe使用了：知识的关系型构造和粒度分解、牵连推理；并考虑关系型知识库的特点结合数据库的索引、关联和过滤技术，使用混合推理机制。
It's difficult to find implicational in a sentence. 用implicational造句挺难的