Time frequency study 时频研究
frequency management study group 频率管理研究组
frequency-based study 基于频数的研究
FMSG Frequency Management Study Group 频率管理研究组
low frequency radio study 天文学家梦寐以求开展低频射电研究
Harmonic Frequency Scan Study 谐波频率扫描分析
high-frequency ultrasound study 高频超声检测
frequency matched case control study 频数配比病例对照研究
The study on negative frequency 关于负频率的探讨
应用推荐