实践是人们有目的地认识和改造世界的活动。实践的结构是构成实践系统诸要素相对稳定的联系方式。它不仅有空间的表现形式,而且有时间的表现形式。探讨实践的时间结构,有着重要意义。实践过程是从选择实践对象开始,到完成对实践对象改造而结束。透过各种实践活动,会发现有一个共同的时间序列:选择客体——探察客体——系统认识——改造客体——结 Practice is the activity of people to know and transform the world purposefully. The structure of practice constitutes a relatively stable link of the elements of the system of practice. It not only has the form of space, but also has the form of time. It is of great significance to explore the time structure of practice. The process of practice begins with the choice of practice object and ends with the transformation of practice object. Through a variety of practical activities, we will find that there is a common time series: selecting objects - exploring objects - systematically understanding - transforming objects - knot