文章首句指出：“由于‘地震反射法’(sr)在勾划地球的地下层面这方面的准确性，该方法一直是探寻石油储备的最重要的工具。” 这是一个判断句，为结论。
Because of its accuracy in outlining the Earth's subsurface, the seismic-reflection method remains the most important tool in the search for petroleum reserves.
第二句话对解释进行总的说明：“在实地作业中，通过将一系列波列源，诸如小规模炸药爆炸，排列成一个网格模式，从而将地下层面标绘出来。” 接下来是“地震反射法”的详细过程。
In field practice, a subsurface is mapped by arranging a series of wave-train sources, such as small dynamite explosions, in a grid pattern…
现在，新空间在一层提供42台计算机工作站，地下层提供15个计算机工作站，而且每个座位都可以充电。
The new space now provides 42 computer workstations on the main level, 15 computer workstations on the lower level and access to power and data at every seat.
植物和树木种植在沟中，创造一个翠绿的花园，它的两侧是地下层。
Plants and trees fill the chasm, creating a verdant garden that flanks the basement level.
由于把体育室放到了地下层，建筑师便能够在首层轻易创造出易于接近的欢迎空间，并且把体育区放到与盖板一样的楼层之上。
Locating the gym below ground, the architects are free to make an easily accessible welcome space at street level and put the sports area on the floor above, on the same level as the slab.
在地下层，一个游泳池被一束自然光渲染出了美丽的光晕，紧随其后的是健身房，水疗馆和桑拿房；而在顶层，一个小酒吧鸟瞰街对面的广场。
On the basement level, a swimming pool haloed by a beam of natural light is succeeded by a gym, spa and sauna, while on the top floor a small bar overlooks the square across the street.
在地下层，一个游泳池被一束自然光渲染出了美丽的光晕，紧随其后的是健身房，水疗馆和桑拿房；而在顶层，一个小酒吧鸟瞰街对面的广场。
On the basement level, a swimming pool haloed by a beam of natural light is succeeded by a gym, spa and sauna, while on the top floor a small bar overlooks the square across the street.
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