在此基础上，探讨了广义的工程建设项目生命周期，将其价值变化的历程划分为价值规划、价值形成、价值实现、价值消失四个阶段。
Based on these, the life cycle of engineering project can be divided into the value planning, the value form, the value fulfillment and the value disappearance.
在此基础上探讨了我国产业结构演进的阶段和历程。
On this basis, the author discussed the stage and the course of China's industry structure evolution.
本文对高卢地区罗马化过程进行概要性梳理，在此基础上尽力阐释凯尔特文明的嬗变及其与罗马文明的融合历程。
This paper examines the process of the Romanization in Gaul and tries to provide an explanation of the transformation of Celtic civilization, as well as its connection with the Roman Empire.
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