VDF的相關資料：
臨近單詞
VD
VDB? Video Display Board?
VDR? Video Disk Recorder?
VDM? Virtual Disk Manager?
VDP? Video Data Processor?
VDS? Video Display System?
VDDP Video Digital Data Processing
VDM? Video Display Module?
VDOO vertical gradient of pollutant
VdB Catalogue of Reflection Nebulae
VDOP Vertical Dilution Of Precision
