abbr. 
字符（Vertical Tabulation Character）；可变正时控（Variable Timing Control）
字符（Vertical Tabulation Character）；可变正时控（Variable Timing Control）用户正在搜索
Ludwig van Beethoven, Ludwig Wittgenstein, ludwigite, Ludwigshafen, ludyl, lueneburgite, lues, lueshite, luetic, luetically,
相似单词
vsync, VT, Vt., VTA, VTAM, VTC, VTE, Vtech, V-thread, VTInfo,