The paper pointed out Ordos and Alxa Plateau were pastoral area, Boundary of Song and Tangut, Hexi Corridor belonged to mixed pastoral-farming area, Ningxia Plain was fanning area.
指出了西夏具体的经济区划：鄂尔多斯、阿拉善高原为畜牧区，宋夏沿边、河西走廊为半农半牧区、宁夏平原为农耕区。
The seismic wave velocity in the crust and at the top of the upper mantle in the plateau is slower than that in the Indian subcontinent and Alxa block.
高原地壳和上地幔顶部的地震波速度小于印度次大陆和阿拉善地块；
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