As I explained in my introductory column, sequence diagramming is used to depict the internal behavior of a system over time.
我在介绍性专栏中曾经解释过，序列图用于描述系统随时间而产生的内部行为。
2
In his third installment of this column, Graham examines the behavior of SOAP's exchange of messages on-the-wire and explains how it works.
在这个专栏的第3部分中，Graham详细介绍了soap在线上交换信息的行为并解释了它是怎样工作的。
3
Some of them, such as time Rover (see Resources for the July 2002 column), use modal logic and other logical formalisms to express deep attributes of run-time behavior.