Failure rate data of heating network components of Beijing and Shenyang could be taken as a reference for reliability research of heating networks in China.
北京和沈阳热网元件故障率可作为我国热网可靠性研究的参考数据。
The result shows that even without strength degeneration, the reliability and failure rate of components decrease with time.
研究表明，即使强度不退化，零件的可靠度和失效率也会随时间逐渐降低；
The replacement of some equipment's components makes it in partial update state. The equipment's residual life with such characteristic cannot be calculated by using unit failure rate model.
维修中对设备零部件的更换，使其经常处于局部更新状态，按单元的故障率模型无法计算具有这种特点设备的剩余寿命。
On condition that the probability characteristics of load and strength are known, the reliability and failure rate of components at any time can be calculated by the model proposed.
在载荷和强度分布已知的情况下，可直接运用本文模型计算零件在任意时刻的可靠度和失效率。
It adopts imported components and parts from Euope. America and Japan with Low failure rate and long service life.
采用欧，美，日进口零部件，故障率底，使用寿命长。
Through derating design, it can derate the basic failure rate of the components and improve the useing reliability of the product.
降额设计是电路可靠性设计中的一种常用方法，通过降额设计可以达到降低器件基本失效率、提高产品使用可靠性的目的。
It uses separate-type and touch switch components, with complicated structure and high failure rate. The failure tree analysis method for controlled system is formulated.
针对该系统底事件和中间事件发生故障概率情况获取不足的情况，建立了故障树模型。
It uses separate-type and touch switch components, with complicated structure and high failure rate. The failure tree analysis method for controlled system is formulated.
针对该系统底事件和中间事件发生故障概率情况获取不足的情况，建立了故障树模型。
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