Additionally, you can see that the cost per user spiked at the tail end of this run before the server failed, indicating that the server was starting to come under stress even before its failure.
此外还可以看到，在服务器崩溃之前，在运行结束时，每个用户的成本突然增高，这表明服务器在崩溃之前已经开始受到压力。
It is proved that an optimal stationary policy exists under the criterion of long-run average cost.
在平均费用准则下，证明了最优平稳策略的存在性。
As example and cost comparisons show, long-run average cost for vendors under a time-based consolidated delivery policy is lower than an immediate delivery policy in common situation;
零售商需求速率和供应商配送成本对于供应商即时配送策略下的长期期望平均成本的影响要比对于整合配送策略下的成本影响大得多。
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