虚拟现实置标语言 xūnǐxiànshízhìbiāoyǔyán VRML Definitions Defs Origin Strokes Stroke Words Sentences Sents 虚拟现实置标语言 虛擬現實置標語言 xūnǐxiànshízhìbiāoyǔyán VRML virtual reality markup language (computing)
