X3D, as a softwarestandard, defined that how to integrate the interactive 3d content based on the net transfer to multimedia.
可扩展3d是一个软件标准，定义了如何在多媒体中整合基于网络传播的交互三维内容。
2
This software introduced is practical, and softwarestandard interface statement can be developed, in order to improve efficiency of design, reduce the cycle of machinery manufacture exploitation.
The softwarestandard cost system is a kind of control system designed due to a manufacturing cost method can not provide contributes to cost control with cost information with high related degree.