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keyword(Water;conservation.)
返回10结果,用时:2.036s。
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标题 |
类型 |
作者 |
出处 |
年/期 |
所属馆 |
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We are water protectors
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图书 |
written by Carole Lindstrom ; illustrated by Michaela Goade.
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Roaring Brook Press,
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2020年
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Der Wasserhaushalt, Berechnungs-verfahren un Anwendungen auf mitteldeutsche Flussgebiete.
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图书 |
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VEB Verlag Technik,
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1953年
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Ground water management /
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图书 |
Prepared by the Task Committee for Updating Manual No. 40.
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[American Society of Civil Engineers],
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1972年
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Conservancy work in China :
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图书 |
prepared by Chien Chang.
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"The National Review" Office,
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1914年
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Soil and water conservation for productivity and environmental protection /
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图书 |
Frederick R. Troeh, J. Arthur Hobbs, Roy L. Donahue ; editorial assistance, Miriam R. Troeh.
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Prentice-Hall,
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1980年
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Water and agriculture :
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图书 |
edited by Roy D. Hockensmith.
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American Association for the Advancement of Science,
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1960年
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Symposium, Athens, Greece, 1978 : = Development of techniques to recharge substerranean aquifers to conserve surplus river flows/Progre?s des techniques d'alimentation des nappes d'eau souterraines en vue de pre?server les exce?dents de debit des rivie?res
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图书 |
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International Commission on Irrigation and Drainage,
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1979年
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Water in Australia resources and management
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图书 |
David Ingle Smith
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Oxford University Press
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1998年
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Proceedings, International Seminar on Soil and Water Utilization, South Dakota State College, Brookings, July 18th-August 10, 1962.
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图书 |
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South Dakota State College?,
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1962年
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Soil and water conservation needs :
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图书 |
prepared by the Conservation Needs Inventory Committee of the U.S. Dept. of Agriculture.
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U.S. Dept. of Agriculture,
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1965年
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