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草地节水灌溉
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草地节水灌溉
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草地灌溉工程设计
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grassland water saving irrigation
草地节水灌溉
根据天然牧草或人工牧草需水规律及当地供水条件,为了有效地利用降水和灌溉水,获取牧草生产的最佳经济效益、社会效益、生态环境效益而采取的多种措施的总称。
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marine organic pollutants
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marine phosphorus cycle
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marine photosynthetic bacteria
marine physical self-purification capacity
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Marine Policy for America
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