首先求解零售商的最优订货政策、供应商的最优生产政策，并给出最优期望利润的解析表达式；

We first derive optimal replenishment policies for the retailer, optimal production policies for the supplier, as well as close-form solutions for optimal expected profits.

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改善并保持现场的整洁有序，确保所有的生产均依据公司的安全生产政策和其他的纪律要求进行。

Improve and maintain line cleanliness and to ensure all works are carried out according to EHS policy and other discipline.

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但这需要时间，而奉行“即时生产”存货政策的现代厂家没有闲等的时间。

But that will take a while, and modern businesses run "just-in-time" inventory policies with very little slack.

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