There is a tendency for it infrastructure projects to shortchange the planning process, with an emphasis on jumping right in and beginning the work.
IT基础设施项目现在有种缩短计划过程的趋势，强调马上动手开始工作。
2
In summary, you follow a processbeginning with the highest level of the object model and work your way down.
总而言之，首先从对象模型的最高层开始，然后根据需要逐渐向下引用。
3
To be concluded, process reengineering at the beginning of the implementation is the most important key point. In addition, it also has a great relationship with the staffs who work at the field.