extended canonical form

例句：

1. 1.The software is designed to be easily extendable for future enhancements.
   该软件设计为易于扩展，以便于未来的增强。
2. 2.The company has adopted a new extended canonical form for its documentation.
   该公司已经采用了一种新的扩展规范形式来编写其文档。
3. 3. The research team developed an extended canonical form that can better represent the data distribution.
   研究小组开发了一种扩展规范形式，可以更好地表示数据分布。