物资供应不是简单地持币购物,而是起源于物资需求的产生、结束于物资需求的满足的一种策略型技术经济行为。物资需求的满足有三个基本要点:一是物资质量可靠,二是供货及时,三是成本合理。而物资需求的有效满足受到时间和空间的约束,受限于提供产品的供应商及其相互竞争程度,生产装置的管理水平 Material supply is not a simple currency shopping, but originated in the production needs of materials, ending in the material needs of a strategic economic and technical behavior. The material needs to meet the three basic points: First, material quality and reliability, and second, supply timely, and third, the cost is reasonable. However, the effective satisfaction of material requirements is constrained by time and space and is limited by the suppliers who supply the products and their competition with each other, the management level of the production facilities