产品管理与合约控制
product administration and contract control
PACC
产品产量的优化组合
Optimization combination of product quantity
产品管理系统
product management system
产品管理组织结构
product-management organizational structure
产品品类选择准则
Product class’s choice criteria
产品品牌差异
product brand differentiation
产品品质及经济效益
quality and economical benefit of a product