The location and extent of aquifers is dependent upon the geological conditions of the underlying rock.
含水层的位置和范围是根据下垫岩石的地质条件所决定的。
But the glacier is now receding, so a draft agreement has been proposed to create a new border that coincides with the ridge of the underlying rock.
然而，如今的冰川正一点点退去，因此一份协议草案摆了上来，提出以地下岩石山脊为新界限。
The resulting composite is the most detailed and accurate portrait of the US land surface and the ages of its underlying rock formations yet displayed in the same image.
整和之后，可以从一张图片上得到详细和准确的美国大陆图和大陆下面岩石形成的年代。
We have mentioned that though Luzon appears to be on the Philippine Plate, this is a land mass attached to the Philippines on the Sunda Plate because underlying rock strata hold it to the Sunda Plate.
我们提到过虽然看起来好像吕宋岛在菲律宾板块上，这其实是在巽他板块上与菲律宾相连的土地，因为下面的岩层是属于巽他板块的。
The explanation may be in Earth's mantle, the layer of rock underlying the tectonic plates and extending down over 1,800 miles to the outer edge of Earth's iron core.
解释可能是在地球的地幔中，这是在构造板块下面的岩石层，向下延伸超过1800英里到地球铁芯的外边缘。
But the rock is reasonably widespread, being both the underlying stuff of ocean floors and a common outpouring of terrestrial volcanoes.
但是，这种岩石还是相当广泛，因为它既是海床基本物质，也是常见的陆地火山喷发物。
While many salt domes retain a cap of the youngest rock layers at the surface, in some cases the underlying salt extrudes all the way to the surface.
当许多盐穹挤压年轻的上覆岩层时，有可能原本在下方的盐质会逐渐挤压直至突出地表。
They are continuous footings and are designed to transfer a relatively uniform pressure to the underlying soil or rock.
他们连续地基及设计转移压力相对统一的基本土壤或岩石。
We could determine the overburden thickness by contrast the electric property difference of the underlying original rock and the overburden.
该方法可利用覆盖层与下部基岩存在的电性差异来测定覆盖层的厚度。
The material source of the Carboniferous karst type bauxite in North China mainly came from the underlying Late cambrian-middle Ordovician carbonate rock.
华北石炭纪岩溶型铝土矿的主要物质来源为下伏的晚寒武世—中奥陶世碳酸盐岩。
Removal of the youngest layers of rock at the top of the section allows restoration of the underlying layers to their initial, undisturbed configurations.
从剖面上部去掉最年轻的层，使下伏的岩层恢复到原始的、未被扰动的状态。
The underlying framework upon which sculpted rock is built can be made in a variety of ways.
雕刻的基本框架建立后，这是岩石可以在不同的方式作出。
The underlying framework upon which sculpted rock is built can be made in a variety of ways.
雕刻的基本框架建立后，这是岩石可以在不同的方式作出。
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