VTD的相關資料：
臨近單詞
VT
VTPM Virtual Terminal Protocol Machine
VTL? Variable Threshold Logic?
VTNS Virtual Telephone Network Service
VTOC? Volume Table Of Contents?
VTS? Virtual Terminal Services?
VTC Search Engine Optimization Training
VTA? Variable Transfer Address?
VTAE Virtual Terminal Application Entity
VTD? Virtual Timer Device Driver?
VT? Vertical Tabulation character?
