在早期版本的Modeler中，相关构造彼此堆叠在一起，只有最近使用过的项目才可用于添加到流程模型中。

In previous versions of Modeler, related constructs were stacked on top of each other, with only the most recently used item available to add into the process model.

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我最近做了一个企业集成项目，里面用到了我们的核心维护系统，然后添加了一些离线操作功能。

I recently built an enterprise integration project that took our core maintenance system and brought some disconnected operations into it.

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