frequency studies

英 美
  • [经]频率研究
  • frequency n.频繁；频率
  • studies 名词study的复数形式动词study的第三人称单数

相关词汇

frequency lead frequency frequency memory regenerative method frequency adjustment sampling method frequency conversion speed adjusting Frequency modify of exponential horn frequency-voltage emergency control Frequency deviation of vision carrier Frequency Measuring Spectrum Analyzer frequency spectrum of laser acoustics frequency inversion privacy equipment Frequency Interference Control Center
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