You also need to import the ecore, ws, and util utility packages, used to load the models (as explained in the next step) and import special constructs.

你还需要导入ecore,ws和ut il实用程序包，它们被用来加载模型(将在下一步中作解释)并导入特殊结构。

youdao

Util — Utility classes for such tasks as string manipulation, cookie management, data manipulation, deferred action support, and callback support.

ut il—字符串操作、cookie管理、数据操作、延迟动作支持和回调支持等任务的实用程序类。

youdao

Util — Utility classes for such tasks as string manipulation, cookie management, data manipulation, deferred action support, and callback support.

ut il—字符串操作、cookie管理、数据操作、延迟动作支持和回调支持等任务的实用程序类。

youdao