Topographical maps not only show planimetric position but also indicate relief by some method.
形图不仅表示出平面位置,而且还通过某种方法显示貌。
Topographical maps not only show planimetric position but also indicate relief by some method.
形图不仅表示出平面位置,而且还通过某种方法显示貌。
We propose that As anomalism in groundwater possibly resulted from the combined effects of organic matter-enriched lacustrine sediments, geological setting and topographical characteristics.
通过研究,可以看出以还原环境为主的富含有机质的湖沼相沉积环境、特定的质、形条件为下水砷异常的原因。
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