工学 故障率 释 failure rate 故障率 机械系统工作到时刻后在单位时间内的故障发生概率，即在任一瞬时出现故障概率的变化趋势。
＞运筹学＞可靠性理论·更新论＞释义 failure rate 故障率 ＞运筹学＞可靠性理论·更新论＞释义 failure rate 失效率 failure rate 故障率 又称“失效率” †
计算机硬件 计算机维护 释文 failure rate 失效率
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