Liu yang , ge sheng . a web - based distributed workflow system . computer engineering and application , 2003 严蓉,陆惆,刘彩虹.基于工作流的数据流转设计与实现.计算机应用, 2003年第4期
Li qiang ( computer engineering and applications ) directed by gu yidong this thesis introduces the design and implementation of an orbit simulation program 本论文构造了一个轨道仿真软件,介绍了轨道仿真软件的设计思想和实现过程。