Methods To calculate used ward bed by using classification calculation collection method or remainder days calculation method.

方法采用分类计算汇总法和剩余天数计算法两种方法用计算机计算占用床日。

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And the main kind of them is the structural bed, which consists of litho group, litho formation and litho member in the classification system.

构造岩层是其中主要类别，其单位等级体制可划分为岩群、岩组与岩段。

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The effects of pressure parameters in the system of fluid bed grinding and turbine classification on the properties of the fluid bed grinder and turbine classifier were analyzed.

本文分析了流化床气流粉碎分级系统中的压力参数对流化床粉碎与涡轮分级机性能的影响。

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But it was important to keep the risks associated with moderate sun bed use in perspective, she added, with the IARC classification putting it in the same category as sunlight, red wine and beer.

BBC: Charity demands child sunbed ban