aar中文什么意思

例句与用法

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1. Annoyance rate ( ar ) and ar - based operations , i . e . expected ar ( ear ) and average ar ( aar ) , consist the major contents of the ar model
   烦恼率模型包括两个主要内容：烦恼率和建立在烦恼率基础上的烦恼率期望值、烦恼率平均值运算。
2. The basis of ar model was complementally introduced in chapter 3 and through which different ar curves for several types of application purposes were suggested . another constituent of ar model , operations of ear and aar were defined based on a simple occupant counting and ar curves
   论文第三章建立了烦恼率模型，同时也给出了适用于不同使用场合的烦恼率曲线，并在烦恼率曲线的基础上定义了烦恼率期望值和烦恼率平均值运算。
3. Our results show that as for which expected return models or approaches to measure abnormal performance - aar ( or car ) and bhar is more appropriate , and whether test statistics being misspecificated , there are different answers from the academic field , and the controversies still continue
   研究发现，在各期望收益模型、两种度量异常收益方法aar （或car ）与bhar的选择，以及各检验统计量是否存在错误设定等问题上，国外学界并未达成共识，争论仍在继续。
4. On the basis of a reliable finite element model , the load spectrum as specified in aar standard and the s - n curve database for welding joints , regarding the new type of heavy haul open top wagon as the analysis object , fatigue life prediction is conducted in the design phase
   基于可靠的有限元数值仿真模型，以及美国aar标准中的载荷谱、焊接接头的s - n曲线数据库，以重载新型敞车为应用对象，在设计阶段对其进行了疲劳寿命预测，预测结果表明该车确实存在疲劳寿命薄弱部位。