1.  intermediate frequency
2.  medium frequency
3.  frequency intermediate
4.  midband
5.  midfrequency

• 1. 中频: medium frequency | intermediate frequency | IF | IOD Intermediate Frequency | intermediate frequency
• 2. 中频带: mid-frequency band | midband | low band | mid-frequency bor
• 3. 零中频: Zero-IF | ZIF | zero intermediate frequency | ZERO INTERMEDIATE

更多释义

• 1.他在过去的几年中频频来这里治疗小儿麻痹。
  He had been there frequently in past years for treatment for infantile paralysis.
  dict.yoduao.com
• 2.性话题往往在电视和其他媒体中频频被提到。
  It's a topic that comes up on television and in other media.
  dict.yoduao.com
• 3.浏览求职板块，对简历中频繁出现的库有一个大概了解。
  Check out the job boards to get a sense of which libraries are showing up frequently on resumes.
  dict.yoduao.com

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