以下为句子列表：
英文: Based on the five types of the construction systems of the Yellow River that are portioned according to the distribution region, position and function of the protection forest in Ningxia Autonomous Region, the distribution of the system, the arrangement o
中文: 摘要该文在将宁夏段黄河护岸林防护林体系划分为5种类型的基础上，分析了该地区防护林的体系分布、树种配置、生长状况及防护结构指标。
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英文: Analysis on Community Flora of Dominant Species of Protection Forest in Beijing Mountanous Area
中文: 北京山区防护林优势植物群落区系分析
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