弹性数量契约
quantity flexibility contract
累积数量折扣
Cormulative quantity discounts
累进制数量折扣
incremental quantity discounts
数量折扣定价
quantity discount pricing
数量折扣函数
all-unit discount function
数量折扣协约
quantity discount contract
一致性数量折扣
consistent quantity discounts
作一致性数量折扣
inconsistent quantity discounts
负指数折扣
negative exponential quantity discounts
配件数量约束
constraint of fittings number
契约数据需求表
contract data requirements list
限制数量约束
qualifying number restriction