Method: Retrospective analysis of diagnosis and treatment was made in 30 cases of infants' respiratory foreign body for last 4 years.
方法：通过对我院近4年来30例婴幼儿呼吸道异物患者诊断和治疗，采用回顾性分析。
The results showed that it is practicable to use the wavelet analysis method in vibration fault diagnosis, and it also has reference value on other complicated machines' vibration diagnosis.
结果表明，小波分析方法用于柴油机的振动故障诊断是有效可行的，对其他复杂机械的振动诊断同样具有参考价值。
The use of empirical mode decomposition (EMD) method and wavelet analysis in combination is explored for the detection of changes in the structural response data from structural damage diagnosis.
采用经验模式分解(EMD)与小波分析相结合的方法探讨结构响应数据信号，进行建筑结构损伤检测诊断。
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