【名词&注释】
交互作用(interaction)、日常生活(daily life)、虚拟社区(virtual community)、虚拟现实(virtual reality)、娱乐性(entertainment)、轴功率(shaft power)、结核性腹膜炎(tuberculous peritonitis)、密切接触(close contacts)、继续发展(continue to develop)、凡士林油纱
[单选题]VRML is a(1)for 3D multimedia and shared virtual worlds on the WWW. In comparison to HTML, VRML adds the next level of interaction, structured graphics, and extra(2)(z and time) to the presentation of documents. The applications of VRML are(3),ranging from simple business graphics to entertaining WWW page graphics, manufacturing, scientific, entertainment, and educational applications, and 3D shared virtual worlds and communities. X3D is the name under which the development of VRML is continued. X3D is based on XML and is backwards(4)with VRML. Furthermore, it is componentized, profiled, and extensible, which makes it possible to use X3D in very different(5),from high-end visualizations to lightweight applications.
A. B