龙江县
- 网络Longjiang County;longjiang
龙江县-
龙江县坡耕地治理措施初探
Brief discussion on governing measure to the slope plowland in Longjiang County
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龙江县小湾小流域水土保持综合治理效果分析
Effect analysis on soil and water conservation in small valley of Longjiang County
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龙江县水土流失成因及治理措施探讨
Discussion on the causation and governing measure of water and soil erosion in Longjiang County
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首次利用龙江县硅灰石研制出了高压电瓷，并测试了其晶相组成和性能。
The high tension electroceramics using Long Jiang county wollastonite as a main material were successfully developed first .