1) grade of soil and water loss
水土流失分级
1.
The BP artificial neural network system (ANNS) with the function of identifying the main influence factors and dividing the grade of soil and water loss has been established in the drainage area of Jialing river in the Nanchong suburbs.
通过对南充市郊南山低山丘陵区的实例研究 ,应用BP人工神经网络进行水土流失分级识别率高 ,抗干扰能力强 ,可用于水土流失动态监
2) soil erosion distribution
水土流失分区
1.
The soil distribution and soil nutrient condition are discussed,the type and cause of soil erosion are analysed, and soil erosion index is applied to determin the soil erosion distribution.
本文阐述了扎兰屯市土壤分布规律和土壤养分状况，分析了土壤侵蚀类型及其成因，并根据水土流失分区指标，提出水土流失分区。
3) soil erosion stage is divided
水土流失分期
4) loss of soil water and nutrient
水土-养分流失
5) soil erosion
水土流失
1.
Current status and comprehensive countermeasures of soil erosion for Karst rocky desertification areas in the Southwestern China;
西南岩溶石漠化区水土流失现状与综合防治对策
2.
The Study and Countermeas urs to the Effect of the Soil Erosion on the Ecological Environment around the Bailian River;
水土流失对白莲河库区生态环境的影响及对策
3.
The elementary study that tourist industry's development effect on soil erosion in Northwesten region of Yunnan Province;
旅游业开发对滇西北地区水土流失的影响初探——以香格里拉县三坝乡为例
6) soil and water loss
水土流失
1.
Forecast of soil and water loss in construction period of water power station;
水电站施工期水土流失预测
2.
The main control factors of desertification , soil and water loss in north of Shaanxi Province;
陕北地区土地沙化、水土流失的主控因素
3.
Application of Cs-137 to monitoring background value of soil and water loss in Zhejiang;
Cs-137在浙江省水土流失背景值监测中的应用
补充资料：森林被砍伐将造成大片土地水土流失
森林被砍伐将造成大片土地水土流失
≯i辅摊熏一毯
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条