相应地，成本降低只能通过减少(降低总数)、避免(不付出成本)或延迟(晚一点付出成本)来达到。
Correspondingly, cost reductions can be achieved only through decreases (lowering the amount), avoidance (not incurring costs), or delay (incurring costs later).
如何设置多种产品的订购数量，不但能减少库存总量，而且能使总的订购成本达到最小，这便成为管理者必须回答的问题。
A scenario to be addressed by each manager is that how to design multi-item ordering quantity in order to not only reduce the inventory lever but also minimize the total order cost.
通过调节机构的改进，重复精度达到了要求，减少了废品量，节约了成本，提高了生产效率。
By improving the adjusting mechanism, the resetting accuracy meets the needs, the waste and the cost are reduced, and the production efficiency is raised.
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