... Evolution of Geographical Environment 自然环境的演变 Natural geographical environment 自然地理环境 A Unique Geographical Environment 有得天独厚地理环境 ...
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这一发现对于研究北京平原地区人类活动的历史和自然环境的演变，具有重要的科学价值。
This discovery has a important significance for studying the relationship between human active history and paleoenvironment evolution on Beijing Plain.
这一发现对于研究北京平原地区人类活动的历史和自然环境的演变，具有重要的科学价值。
This discovery has a important significance for studying the relationship between human active history and paleoenviro…
本文论述了长江中游平原的资源特点，分析了自然环境的演变过程，并探讨了开发利用中存在的问题及其合理利用的途径。
In this paper, the characteristics of natural resource of the Middle Reach Plain of Changjiang River is introduced and the evolution of its natural environment is also analysed.
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