The estimation of tail index for regular variation heavy-tailed distributions aroused our concern, many scholars proposed several methods, but all of them have some disadvantages.
正规变化重尾分布的尾部指数的估计方法有很多种，但都不同程度地存在一定的局限性。
Modern plant management involves theory computations frequently, of which the estimation of plant optimal lifetime is a regular job for the plant manager.
现代设备管理中，经常会遇到理论计算问题，其中，设备最佳使用年限的估算对于设备管理人员来说，是一项常规性工作。
As a regular type of arithmetic estimation, measurement estimation is an important channel for early numeracy acquisition and a convenient route for teaching physical measurement.
测量估计是算术估计的一种常见形式，被看作个体数量能力早期获得的重要渠道，也可为物理测量教学提供一条有效途径。
It is also shown that the nonlinear static procedure gives a safe estimation of the inelastic seismic response statistically for regular RC frames with good numerical stability.
分析研究表明，采用本文建议的侧力模式进行推覆分析，可在统计意义上可对钢筋混凝土规则框架结构的抗震能力作出偏于安全的估计。
It is also shown that the nonlinear static procedure gives a safe estimation of the inelastic seismic response statistically for regular RC frames with good numerical stability.
分析研究表明，采用本文建议的侧力模式进行推覆分析，可在统计意义上可对钢筋混凝土规则框架结构的抗震能力作出偏于安全的估计。
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