山前地带 meaning in Chinese

foreland
front-land

The tectonic motion is very intense in front belt of north tianshan mountain , drape fault and so on very develop , and there occurred many times destruct earthquakes
摘要北天山山前地带是构造运动十分强烈的地区，褶皱断裂等构造现象十分发育，这里曾发生过多次中强破坏性地震。
Catching jade ore malachite fragment after weathering and erosion bring the flood into the river originally at the mountain , is it pour but lay to carry by river and then , reach low mountain and mountain forebay lead because the velocity of flow is sharply reduced , the malachite is piled up in river shoal and riverbed
夏季冰雪融化河水瀑涨，流水汹涌澎湃。山上的原生玉矿经风化剥蚀后的玉石碎块由洪水带入河流中，再由河水携带奔流而下，到了低山及山前地带因流速骤减，玉石就堆积在河滩和河床中。