discrete event短语¹⁴⁴⁹⁷²⁺² 基本例句 离散事件 The discrete event system is studied which is based on the study of the discrete/span> event unit model, and the product design process model driven by the discrete event is given. 在分析离散元模型的基础上，研究了离散系统，给出了离散事件驱动的产品设计过程模型； cnki