八达岭是保存最好的长城部分，位于一个非常重要的位置，周围有美丽的风景并且其结构展现的特别的壮观。
The best preserved section of the Great Wall, Badaling locates at a very important position and has a beautiful surrounding scenery and its structures show a special grandeur.
因此，通过岭头坪矿区金矿成矿条件的研究，对其找矿方向及提高潜在经济效益具有重要意义。
Thus through gold deposit ore-forming condition study in Lingtouping mining area has major significance in prospecting orientation and increasing potential economic benefit.
五龙岭隧道由于其特殊的地形地质情况，使该隧道具有大跨、浅埋、软弱不良地质和偏压等四大难点。
Wulongling tunnel on the Jingzhu Expressway is a dual-arch highway tunnel with a large span, shallow depth, poor geology and uneven ground pressure.
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