The previous section showed how to reference another sequence diagram by passing information through parameters and return values.

前面的段落展示如何通过参数和返回值传递信息，引用另一个序列图。

youdao

Viewing even our small example without reference to the state diagram, it is quite difficult to discern the order in which methods should be invoked.

如果没有状态图供参考，即使查看我们的这个小示例，也非常难于分清方法应该按照何种顺序进行调用。

youdao

A wire is simply a connection in the assembly diagram that indicates which reference is connected to which component.

连线是指组装图中的连接，表示某个引用被连接到某个组件。

youdao