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.

研究，可以看出以还原环境为主富含有机质湖沼相沉积环境、特定质、形条件为下水砷异常原因。

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富含有机沼相沉积环境、特定、形条件为下水砷异常原因。

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.

通研究，可以看出以还原环境为主富含有机质湖沼相沉积环境、特定质、形条件为下水砷异常原因。

Topographical maps not only show planimetric position but also indicate relief by some method.

地不仅表示出平面位置，而且还通过某种方法显示地貌。

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富含有机质湖沼相沉积环境、特定地质、地条件为地下水砷异常原因。

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富含有湖沼相沉积环境、特定、形条件为下水砷异常原因。

Topographical maps not only show planimetric position but also indicate relief by some method.

地形图不仅表示出平面位置，而且还通某种方法显示地貌。

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，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、特定的地质、地形条件为地下水砷异常的原因。

Topographical maps not only show planimetric position but also indicate relief by some method.

地形图不仅表示出平面位置，而且还通过某种方法显示地貌。

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积环境、特定的地质、地形条件为地下水砷异常的原因。

Topographical maps not only show planimetric position but also indicate relief by some method.

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、条件为下水砷异常的原因。

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富有质湖沼相沉积环境、特定质、形条件为下水砷异常原因。