It is very important and difficult process to create requirements model accurately in software engineering.

软件需求建模是软件工程中一个非常重要的环节，同时也是一个非常困难的环节。

youdao

It is very important and difficult process to create requirements model accurately in software engineering.

软件需求建模是软件工程中一个非常重要的环节，同时也是一个非常困难的环节。

youdao