Through anglicizing process flow of production material flow,the papers optimize production material flow and shorten productio n time,which can save much time,huma n resources and financial resources.

The physic al-mathematical generalization and descriptions have been made through analyzing optimization of the collection of procedure's functions, harmonizing optimization of the collection of procedure's relations, integrated optimization of the collection of procedure of process.

AutoCAD 2000 with its toolkit is used to develop an intelligent module for formulating process flow charts It assembles and revises process flow charts quickly and has been introduced to the garment industr

Based on the proposed shield tunneling section of Caonuan Park station-Xiaobei Station of Guangzhou Metro Line 5, this paper introduces the construction process flow and geology forecast measure which is commonly adopted as the shield machine driven in the karst section, and discusses the pretreatment methods and corresponding measures in such case.