• 1. main frequency: 主频率 | 主要频率 | 电源频率
• 2. main frequency furnace: 工频电炉 | 工频感应炉
• 3. main frequency coreless inductio furnace: 无芯工频感应电炉 | 造型机

更多释义

• 1.Analyze the distribution of internal noise and main frequency ingredient with different speed.
  分析了不同车速工况下车内噪声的分布状况及主要频率成分。
  dict.yoduao.com
• 2.From the calculating results, the main frequency of rail and sleeper lateral vibration is low.
  从计算结果可知，轨道结构的横向振动频率较低，且钢轨与轨枕的横向振动主频相接近。
  dict.yoduao.com
• 3.The flat-earth makes the main frequency of the interferogram not at the zero frequency, and can't reflect the change of the topographic altitude.
  平地效应使干涉纹图中的主要频率不在零频，不能反映实际地面高程的变化。
  dict.yoduao.com

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