自然圈
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一个数论问题&自然数圈的等和三段的划分
A number theory PROBLEM-PARTITION of natural number circle in three sections of equal sum
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这些景观应该可以使它们自己保存并存活下来,并成为本地环境自然生态圈的一部分。
These landscapes should maintain themselves and survive by being part of the natural cycles of the local environment .
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首都减灾圈,系首都减轻自然灾害预测防治圈。
The capital circle for disaster reduction means the prediction and prevention circle of natural disasters in the capital area .
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刘树坤访日报告:自然共生型流域圈与都市的再生(八)
The report of visiting Japan by Liu Shukun : Nature symbiosis type of basin circle and urban regeneration ( 8 )
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为了保护和恢复良好的流域生态环境,人类必须调整和改变不合理的生产生活方式,创建使人类能够与流域内其它生物共生、共存的自然共生型流域圈和都市。
In order to protect and restore the good basin ecological environment , human being must regulate and change irrational production and living ways , construct the nature symbiosis type of basin circle and city , which could make human being co-exist with other living beings within the basin .