By means of mathematical deduction, the model can be transformed into a linear programming problem and the JIT distribution requirements planning approach is presented. 然后通过数学推导,将其转换成一个线性规划问题,提出了准时化分布需求计划方法。
Use a distribution requirements planning ( DRP ) approach or a variation. 销售需求计划(类似MRP)。
On the other hand, in the context of enhancing protection of farmland and ensuring national food security, governments need to implement various control targets and distribution requirements in land use planning to achieve the consistence of diagram and number. 另一方面,在国家不断加强耕地保护,保证国家粮食安全的大背景下,要求在土地利用总体规划中,落实上级规划确定的各类用地控制指标和空间布局要求,做到图数一致。