Just now you mentioned the protection of the old area, and it remains to be a very hot topic.
刚才您提到了旧城保护的问题，这个问题一直是一个很热门的话题。
After exploration over and over again, the eastern part of Linqing depression in Tertiary became an old area with low exploration degree.
临清坳陷东部第三系油气勘探几经反复，属低勘探程度的老区。
The urban old area has been highly redeveloped in recent years, and it brings increasingly extrusive transportation problems, especially in the big cities.
近几年城市旧区改造高强度开发，新区建设规模扩大，由此带来的交通环境问题日益突出，在大城市和特大城市尤其如此。
The urban old area has been highly redeveloped in recent years, and it brings increasingly extrusive transportation problems, especially in the big cities.
近几年城市旧区改造高强度开发，新区建设规模扩大，由此带来的交通环境问题日益突出，在大城市和特大城市尤其如此。
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