西汉时期，淮海地区形成了较为成熟的区域市场。
In the Western Han Dynasty, the mature regional markets were developed in the Huaihai region.
是黄淮海地区沙岗地治理开发的优良经济植物和固沙植物。
The economical benefit of planting it is more than planting trees and grazing on sand hill land. It is a good cash plant and sand fixation plant…
1988年以来，黄淮海地区农业综合治理开发已初见成效。
Since 1988, the comprehensive management and development on agriculture of Huang-Huai-Hai plain has got initial effects.
1988年以来，黄淮海地区农业综合治理开发已初见成效。
Since 1988, the comprehensive management and development on agriculture of Huang-Huai-Hai plain has got initial effects.
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