VF=Variable Frequency 可变频率VF carrier telegraphy音频载波电报VF signaling receiver音频信令接收器VFT receiving equipment音频电报接收设备vfs default.vfs Hosts.VF? Vector Facility?=Variable Frequency 可变频率VFO Memory channel recall mode储存频道收回模式VFS? Video File Server?n.影视文件服务器；虚拟文件存储器VFM? Voice / Fax Mail?n.虚拟文件管理程序VFAT Virtual File Allocation Table虚拟文件分配表VFR? Video Film Recording?abbr.visual flight rules [空]目视飞行规则