关键词 : 饮水安全 ; 生活用水 ; 三江源地区 [gap=1729]Key words: security of drinking water; domestic water; Sanjiangyuan region
基于8个网页-相关网页
Sanjiangyuan Region in Qinghai Province 青海三江源
·2,447,543篇论文数据,部分数据来源于NoteExpress
In addition, Measures on reasonable utilization and conservation are put forward on the basis of degradation mechanism and problem of wetlands ecosystem in Sanjiangyuan region.
此外针对三江源区湿地生态系统退化机制和存在的主要问题,提出了合理利用与保护对策。
youdao
应用推荐
模块上移
模块下移
不移动