shelter belt

基本解释

Annually average water consumptions of individual tree and whole shelter belt were provided as basic data for planning water use of Hetao-irrigated region.
通过计算提出新疆杨单株耗水量指标及其防护林耗水量指标，这为河套灌区制定计划用水方案提供了基础资料。
After supervised classification we extracted residential area and the grass of shelter belt based on knowledge discovery, finally we got the accuracy assessment reports.
基于知识对监督分类的结果做后处理，准确地提取了居民地和防护林草类型，并对分类结果进行了精度评估。
Of which, entironment analysis had too three parts in turn: soil resources carrying capacity analysis; water resources carrying capacity analysis and shelter belt optimization-control model analysis.
其中，生态环境分析按土地资源承载力分析、水资源可持续分析和防护林最优管理模式评价三大块展开；