There are 53 million mu of arable land is in Hebei Province grain, oil, the main cotton-producing areas, Hebei Province, is the first pollution-free agricultural production base.
有耕地面积53万亩，是河北省粮、油、棉主要产区，也是河北省首批无公害农产品生产基地之一。
Base on observation of cores and analyzing data of grain size, the probability cumulative grain size curves in the main sedimentary environments of the Tertiary in west Qaidam Basin were summarized.
在岩心观察的基础上，利用主要取心井的粒度分析资料，对柴达木盆地西部地区第三系碎屑岩主要沉积环境的粒度概率曲线进行了研究。
The plain of North Henan, which is the main industrial base of energy, metallurgy, spinning and weaving, is an important production area of grain, cotton and oil-bearing corps, etc.
豫北平原是河南省重要的能源、冶金和纺织等工业基地，也是粮棉油料作物的主要产区。
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