underlying bedrock

The highest concentrations of arsenic in rice-growing regions are mostly found in parts of Asia including Bangladesh and India where the underlying arsenic-rich bedrock contaminates groundwater used for both drinking and irrigation of rice fields.

在产大米区，检出砷浓度最高的区域为亚洲部分地区包括孟加拉和印度这些地区陆壳下层的基岩富含砷，会污染地下水，而这些水源既用于饮用，又用于稻田灌溉。

There is a genetic relationship between the underlying bedrock depression and earthquake ground motion responses.

埋藏基岩凹陷地形的地震地面运动反应与震害异常带有成因上的联系。

Effect of the underlying bedrock slope on seismic ground motion in the Xuzhou area

徐州市埋藏基岩斜坡对地震动的影响

Yumbilla Falls is a tiered waterfall with four large drops. It's classified as a horsetail flow: The falls maintain some contact with the underlying bedrock.

云比亚瀑布由四级瀑布层叠而成，同样被归为马尾瀑布一类：水流始终保持着与水底基岩的接触。

The highest concentrations of arsenic in rice-growing regions are mostly found in parts of Asia-including Bangladesh and India-where the underlying arsenic-rich bedrock contaminates groundwater used for both drinking and irrigation of rice fields.

在产大米区，检出砷浓度最高的区域为亚洲部分地区——包括孟加拉和印度——这些地区陆壳下层的基岩富含砷，会污染地下水，而这些水源既用于饮用，又用于稻田灌溉。

An initial research for the effects of underlying bedrock faults on earthquake wave propagation

埋藏基岩断层对地震波传播影响的初步研究