communication diagram meaning in Chinese

是强调消息的时间次序的交互图

Communication diagrams have no concept of the asynchronous message since its focus is not on message ordering
交互图并不关心异步信息传递，在交互图中没有异步的概念。
Communication diagrams are simple enough to create ; however , maintenance , especially if message numbering needs to be changed , still ideally needs the support of a helpful uml tool
交互图很容易建立，但如果涉及到信息编号的话还是需要借助于一个好用的uml工具。