图形数据文件 meaning in English

graphics data file

How to store and retrieve picture - data files dynamically in pb
中动态存取图形数据文件
As to universe , the system is required to read the graphics files produced by all the cad / cam systems used widely and currently and display them regardless of the variety of the computer operation system . interactivity means the user can operate the entities during the conferencing so that it can observe them and get the feature information from different orientations . synchronization indicates that the netmeeting must synchronize the displaying of graphics in all the users " computers to get the effect of " what you see is i see "
通用性是指系统能够读入目前大多数cad / cam系统产生的三维图形数据文件并在各种操作平台上正常显示；交互性是要求在开会时，用户能对显示出来的三维实体进行操作，从而可以从各个角度、各个层次来观察实体和获取相关特征信息；同步是要求参加会议的各个用户的桌面应同步显示，达到“你见即我见”的协同效果。