采用分层随机抽样法对长武王东沟小流域农业产业结构现状进行了调查分析。
This report analyzed the agricultural industry structure of Wangdonggou watershed in Changwu county based on investigation.
在对头塘小流域山地系统特征了解的基础上，探讨了该区域山地防护林体系结构的调整、配置方式和营建技术。
Based on the research of mountain system characteristics of Toutang small watershed, the integrated techniques on structure adjustment, allocation model and construction were studied.
论文以密云县石匣小流域近10年水土流失综合治理的数据为基础，综合探讨了石匣小流域水土流失综合治理措施的结构和功能，分析了水保效益及经济效益。
The soil erosion comprehensive control measures have been put in practice for more than 10 years in Shixia small watershed, which gained remarkable ecosystem benefit and economic benefit.
论文以密云县石匣小流域近10年水土流失综合治理的数据为基础，综合探讨了石匣小流域水土流失综合治理措施的结构和功能，分析了水保效益及经济效益。
The soil erosion comprehensive control measures have been put in practice for more than 10 years in Shixia small watershed, which gained remarkable ecosystem benefit and economic benefit.
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