名词
中文翻译：背地构造层
同义词：
['geosynclinal fold', 'geosynclinal trough', 'geosyncline']
例句：
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1.The back geosyncline is a region where the Earth's crust has been uplifted and folded.
背地构造层是一个地区，地球的地壳已经被抬起并折叠。
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2. This area is characterized by its deep geosynclines, which are formed by the collision of continents.
这个区域的特点是其深的地堑，是由大陆碰撞形成的。
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3. The back geosyncline plays a crucial role in the movement of tectonic plates, affecting the formation of mountain ranges and ocean basins.
背地构造层在板块运动中起着至关重要的作用，影响着山脉的形成和海洋盆地的形成。