According to the character that failure rates of spare parts have an effect on its storage, this paper introduces a calculating method for spares fault ratio based on historical data.
简要介绍了舰空导弹电子设备寿命服从指数分布的特点，根据备件的故障率可以有效地指导备件的存储策略，提出了一种基于历史数据的备件故障率计算方法。
In this paper, we propose a storage architecture for an embedded real time database system according to the data character of real time application and the performance of the storage media.
本文针对嵌入式系统的应用环境和实时数据库系统的数据特征，通过对各种存储器性能的比较，提出了嵌入式实时数据库系统的存储体系结构。
From the hospitals material, select 17 items and analyze data by comprehensive assessment method according to items character and weight.
根据医院资料，选择17项指标，按照指标性质和权重使用综合评价法做数据处理分析。
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