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gully land consolidation
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gully land consolidation
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治沟造地
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gully land consolidation
治沟造地
针对中国黄土高原丘陵沟壑区的特殊地貌,以景观协调、结构稳固、利用持续、功能高效为理念,以“增良田、保生态、惠民生”为主题,以现有大中型拦洪坝、淤地坝为骨架,合理配置中小型坝,“拦、蓄、排、灌”相结合,集坝系建设、旧坝修复、盐碱地改造、荒沟闲置土地开发利用和生态建设为一体的一种沟道治理新模式。
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manifold of mappings
manifold of metrics
manifold of negative curvature
manifold of positive curvature
manifold of pre-assigned curvature
manifold of singularity
manifold of solutions
manifold of spheres
manifold of support
manifold of surfaces
manifold orientation
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Manila Bay
Manila Cathedral
manila clam
manila grass
Manila International Film Festival
Manila’s Opening to Foreign Merchants
Manin
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