midadj.中间的； [语]央元音的prep.在 ... 的中间abbr.移动互联网设备 (=Mobile Internet Device)mid sean.外海

1. Intermediate frequency instability has had the most uneven history.
   中频不稳定性的研究经历了极为曲折的道路。
2. Low and intermediate frequency instability models are taken up first.
   首先处理低频和中频不稳定性的模型。