阶次跟踪的英文

order tracking

• 阶:    steps; stairs
• 次:    order; sequence
• 跟踪:    follow the tracks ...

例句与用法

1. Vibration analysis of three - side trimmer based on order tracking
   三面切书机振动分析的阶次跟踪方法
2. Application of order tracking analysis in gear wearing fault diagnosis
   阶次跟踪分析在齿面磨损故障诊断中的应用