半湿润地区的水土流失和土地沙化在很大程度上与人类不合理的开发利用有关。
Soil erosion and desertification in the semimoisture zone have a great connection with irrational exploitation.
本文以半湿润地区大汶河流域为例，研究提出水污染控制方案和水生态环境恢复的措施。
This research, regards Dawen river in semi-humid region as example, has put forward water pollution control projects and aquatic ecological environment restoration measurements.
该区属暖温带半湿润地区，植物区系属华北植物区系，与蒙古、长白植物区系毗邻，是个过渡地带。
Lying in warm temperate semi humid climate zone, its flora is of North China flora, neighboring Mongolian flora and Changbai flora.
沙漠化是干旱、半干旱及部分半湿润地区由于人地关系不相协调所造成的以风沙活动为主要标志的土地退化。
The aeolian desertification is a land degradation characterized by wind erosion mainly resulted from the excessive human activities in arid, semiarid and part of sub-humid regions in Northern Chian.
承德坝上地区，属寒温带半湿润草原季风气候，森林草原生态系统脆弱，自我恢复能力较差。
The climate in upper dam region of Chengde prefecture is that of frigid temperate zone, semi damp grass land and monsoon.
结果表明，两种产流预报模型均可用于北方半湿润半干旱地区。
The result indicates that two runoff producing forecast models are all suitable in north semi-moisture semi-aridity region.
结果表明，两种产流预报模型均可用于北方半湿润半干旱地区。
The result indicates that two runoff producing forecast models are all suitable in north semi-moisture semi-aridity region.
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