This paper considers the trouble diagnosis and check policy for a system with random check.

综合研究一类系统的检测策略和故障诊断问题。

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Line managers will monitor expenses claims, making a random check of between 15 and 20 percent of all claims submitted.

报销费用由直属经理负责检查，在提交的报销单中进行15%到20%的随机抽查。

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Line managers will monitor expenses claims, making a random check of between 15 and 20 percent of all claims submitted.

报销费用由直属经理负责检查，在提交的报销单中进行15%到20%的随机抽查。

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