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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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Sir Flinders Petrie
Sir Frederic Charles Bartlett
Sir Gawain and the Green Knight
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Sirian companion
siriometer
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Sirius satellites
Sir J.J. School of Art,Bombay
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Sirkka Turkka
Sir Louis-Hippolyte LaFontaine
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