According to the defects of the researches dealt with controllable lead time, the authors present a continuous review inventory model with nonlinear lead time crashing cost and lost sale.
针对可控提前期领域现有研究的不足，提出基于非线性提前期成本和存在顾客流失情形下，采用连续盘点策略的库存管理问题。
If you don't wear one and end up crashing and cracking your head open, it could cost you thousands of dollars in medical bills and take months, if not years, for your body to fully recover.
如果你没有戴头盔，并且撞车把你的头部撞裂了，那将花去你上千美元的医疗费，如果不是几年时间，至少也要花几个月你的身体才能完全复原。
Meanwhile, the cost of medicine would come crashing down for the poor — and tens of millions would be able to afford it for the first time.
同时，药品价格将大大降低到穷人能承受的范围，数以千万计的人将首次能买得起药。
B. Fast tracking often results in rework, and crashing often results in increased cost.
快速跟进经常导致返工，赶工经常导致成本增加。
B. Fast tracking often results in rework, and crashing often results in increased cost.
快速跟进经常导致返工，赶工经常导致成本增加。
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