They saw certain patterns or certain ways of elaborating patterns that the teachers were talking about.

他们看到了老师们谈论的特定模式或特定的阐述模式。

This theory needs further elaborating.

该理论有待进一步推敲。

Elaborating a task with a Use Case diagram or sketch.

使用Use Case图表或者草图精化一项任务。

"Our side must get ready," Mr. Li wrote, without elaborating.

“我们这边要做好准备，”李先生写到，但没有详细阐述。

Analyzing and elaborating requirements using executable models.

使用可执行模型来分析和完善需求。