【摘要】 本文论述了煤炭投资决策支持系统建立的必要性，并详细地论述了决策支持系统的设计原理及系统结构，分别建立了有关的数学模型，并开发了相应的软件系统。更多还原

【Abstract】 篢he necessity of building the decision support system of coal mine invest is ex-pounded in this paper. The paper discourses the principle of design and the structure of sys－tem, and buildes mathematics models concerned and software.更多还原