Keywords the entropy system for the Matter system;the entropy system for the project;the entropy system with A-on-N and A-on-A;the entropy system with BANT;network information.

• 网络计划技术分为肯定型和非肯定型网络各种计划类型；这是一个庞大的网络结构体系；它们之间具有层次结构.；限于篇幅；本文仅以简单网络和搭接网络为例