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治沟造地
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治沟造地
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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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perturbation of a linear system
perturbation of an operator
perturbation of a semigroup
perturbation of a spectrum
perturbation of dark matter
perturbation of entropy
perturbation of operator
perturbation parameter
perturbation power spectrum
perturbation sampling
perturbation scheme
perturbation series
perturbations on sub-Planckian scale
perturbation spectrum
perturbation term
perturbation theory
perturbation theory for operator semi-group
perturbation theory for operator semigroup
perturbation theory in quantum mechanics
perturbation theory of solitons
perturbation theory of spectrum
perturbative body
perturbative force
perturbative invariant
perturbative method
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