井研县土地利用时空变化分析。

Analysis of space-time change of land use in Jingyan County.

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第四部分，径流年际变化分析。

Part IV, an Analysis of the Annual Changes.

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第四部分：榆阳区土地利用动态变化分析。

Part four: Study on land use dynamic change in Yuyang suburb.

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流转农地用途变化分析。

Part Third analysis of transfer of agricultural land-use change.

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地上风速变化量分析是气候变化分析的重要内容。

Surface Wind speed analysis is an important part of Climate change analysis.

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地上风速变化量分析是气候变化分析的重要内容。

Surface Wind speed analysis is an important part of Climate change analysis.

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