1. Based on the models of VMI without backlogging and with complete backlogging, VMI model with partial backlogging allowing shortage was built considering a single vendor and multiple buyers. 在不允许缺货、允许缺货但缺货量完全拖后等VMI模型研究的基础上,构建了考虑一个供应商和多个不同的订货商、订货商允许缺货且缺货量部分拖后的VMI模型。