MF Global曼氏金融;全球曼氏金融;明富环球;曼式金融
ZTE MF中兴MF
iC MF佳能MF
MF Globing全球曼氏金融
MF OF本工作室长期出售;魔兽世界;练级路线
Triopo MF捷宝MF
MF L2美服天堂
MF IN星间飞行
MF DDO美服龙与地下城
With the development of the modern communication technique, the frequency of communication systems are becoming higher and higher. In the MF to HF, and to RF band, even some frequencies in microwave band are used in some systems.
随着现代通信技术的发展,通信系统的频率不断提高,由原来的中频到高频,由高频到射频,乃至到微波频段都有涉及。
参考来源 - 矩量法在射频电路设计中的应用ABBREVIATION for（） ABBREVIATION formedium frequency 中频率 [radio]