判断渗出性或漏出性胸腔积液,最有价值的是
A.胸水外观B.胸水常规检查C.胸水类脂检查D.胸水葡萄糖含量
参考答案:B
录用公务员,必须在规定的编制限额内,并有相应的( )
A.职位空缺 B.职数空缺C.计划空缺 D.编制空缺
VRML is a (151) 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 (152) (z and time) to the presentation of documents. The applications of VRML are (153) , 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 (154) with VRML. Furthermore, it is componentized, profiled, and extensible, which makes it possible to use X3D in very different (155) , from high-end visualizations to lightweight applications.
A.subject
B.object
C.dimensions
D.disconnection