Diagnostic estimate model was an“empirical”lifetime model, in which“experience”value of Grade-life (EGL) was assessed based on vibration signals intelligently. Signal feature extraction (Grade-life feature vector) and pattern recognition algorithm of Grade-life were keys to construct the model.
为了提高理论预测的确定性,建立了以状态监视为依据的滚动轴承状态寿命评估模型,基于振动分析智能评估主轴承个体状态寿命的“经验值”。
参考来源 - 航空发动机主轴承使用寿命预测技术研究·2,447,543篇论文数据，部分数据来源于NoteExpress
为了控制莫纳克亚山上望远镜的数量，旧望远镜将在使用寿命结束时被移除，因此这些场地将恢复到自然状态。
To limit the number of telescopes on Mauna Kea, old ones will be removed at the end of their lifetimes and their sites returned to a natural state.
所以，为了维持电池的寿命和性能，必须保证使电池在适当的温度范围之内工作，从而使电池的工作性能保持在最佳状态。
Therefore, in order to maintain battery life and performance, it is crucial to keep the batteries within the temperature range where their operating characteristics are optimal.
SystemInfo类中的附加功能可能很有用，其中包括支持查找进程名称和编号、网络状态、网络连接速度和电池使用寿命。
Additional functionality in the SystemInfo class would be useful, including support for finding process names and Numbers, networks status, network connection speed, and battery life.
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