Based on the metallogenetic environment and the special landform of this area, high-precision magnetic surveying was performed along valleys and rolling ridges at random networks.
根据测区铜矿与基性岩体密切相关的特征，结合区内成矿地质环境和特殊的地形条件，沿沟谷和平缓山脊，采用自由网形式，进行了地面高精度磁测。
They're up to a kilometer long, but only a few meters wide, and they're scattered along the desert floor, in valleys between the dunes.
我们所看到的石灰岩层高达一千米，而宽却只有几米，沿着沙漠底部和沙丘间的山谷分布。
For miles and miles, it runs along stony hills and across valleys terraced with olive trees, cutting through towns and fields, cleaving families from their homes, farmers from their land.
绵延数里的隔离墙，用山石建成，穿过山谷台地和橄榄树，分割城镇和土地，分开人们和他们的房屋，迫使农民离开自己的耕地。
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