本文对长江中游史前古城的地理环境及古城与稻作农业的关系进行了探讨。
The paper discussed geographical environment and the relation between ancient city and cultivated rice in the middle reaches of yangtse river.
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.
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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