The data exchange semantic for calls to local services is by-reference.
对本地服务调用的数据交换语义按引用调用。
Within network collaborative design environment, real-time data exchange and feature semantic conformity become a key problem for collaborative design on semantic feature modeling.
在网络化同步协同设计环境中，如何实现用户系统之间的实时数据交换、维护特征语义的一致性，成为语义特征造型协同设计的关键问题。
XML itself has the characteristic of the platform independent, easy to expand, strong semantic and so on. So it enables the XML became the fact standard of data exchange.
XML本身具有的平台无关、易于扩展、语义性强的特点，使得XML已经成为数据交换的事实标准；
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