中国的戈壁
中国的戈壁-
从1980年后期到1990年早期，一系列试射在中国西北部的戈壁沙漠中进行。
From the late1980s to the early1990s , a range of test launches were conducted in the Gobi Desert in the northwest region of China .
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中国白垩纪沙漠中的戈壁沉积
Gobi sediments in the Cretaceous desert of China
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在中国的主要沙漠和戈壁等粉尘源区采集了地表沙或土壤（统称为表土）样品，分析了样品的碳酸盐含量和碳酸盐的碳氧同位素组成。
Surface soil samples were collected in the deserts and Gobi regions of China . The carbonate content and carbon and oxygen isotopic composition were analyzed .