contract object造句

This dissertation classifies the entity objects of enterprise system into structural objects and contract objects . the enterprise information structure is defined with structural objects and the relationship of activity objects is described with contract objects . the basic principle of enterprise business process constructed through multiple contracts relation is discussed
本文把企业系统中的实体对象划分为结构型对象和合约关系型对象，用结构型对象定义了企业系统的结构，合约关系型对象描述了两个活动类型对象之间的关系，进而阐述了多个合约关系构成企业流程的基本原理。
It's difficult to find contract object in a sentence. 用contract object造句挺难的