n.可延长性；展开性
Extensibility is a difficult metric to gauge. 可扩展性是一个比较难衡量的标准。
Most important,the Universal Server adds extensibility to an RDBMS. 最重要的是，万能服务器给RDBMS增加了可扩展性。
The model for extensibility is still being developed for WSDL 2.0. WSDL 2.
The whole system proves to be simple, low cost, easy extensibility. 整个系统结构简单、成本低廉、系统可扩展性强。
Extensibility to other typed topics is possible through further specialization. 通过专门化,就有可能扩展到其他分类主题。
