In figure 1.1 the book order process was modeled without a real model notation.

在图1.1中，订书流程的建模没有采用实际的模型符号。

youdao

In figure 1.1 the book order process was modeled without a real model notation.

在图1.1中，订书流程的建模没有采用实际的模型符号。

youdao