求翻译：南德克萨斯的这个地区非常平坦，但赛道利用了一些天然小山的地貌，那些挖掘机显然更加突出了本来已经存在的高低和轮廓。那就很容易设想海尔蒙德选择这块900英亩的地作为建造他的汽车运动场的根本原因是什么意思？

South Texas region is very flat, but the track using some natural hill landscape, apparently more prominent in those excavator already exist in the level and profile. It is easy to imagine Helmond choose the 900-acre piece of land to build his car as the root cause of playground

This area of south texas circuit is very easy, but some use was made of a small hill, the natural landscape, those excavator is clearly highlighted by the height and contours already exist. It is very easy to imagine the sea de choose this piece of land 900 acres for the construction of his motor sp

South Texas's this area is extremely smooth, but the racecourse has used some natural hill landform, these excavators even more have obviously highlighted the height and the outline which already existed originally.That very easy tentative plan Haire Mongolia Germany to choose this 900 acre place ac

South Texas this area is very flat, but the track took advantage of some of the natural topography of the Hill, the excavators were clearly more prominent already exists and the outline. That it is easier to imagine helmond select which block 900 acres of land as a build root cause of his car sports

This area of south Texas is very smooth, but the ground form that the match track has utilized some natural hills, those excavators have obviously stressed originally existing level and outline further. Then imagine the basic reason of the car stadium where Haier Mond chooses this 900 acres of groun