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水源涵养
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水源涵养
Encyclopedia
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水资源保护
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water conservation
水源涵养
通过保护水源区的植被、土壤等自然生态系统要素,从而达到保持其产水的水量及水质的行为活动。
农学
水源涵养
释
water conservation
水源涵养
在森林通过其系统结构和空间格局与气象、地形、土壤等其他因素共同影响一系列水文过程之后,所产生的对径流的调节作用。
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Copy of Han Stele by Huang Yi
copy of the original memorial to the throne and the emperor's comments
copy-on-write
copy-on-write, COW
copy out by imitation on see-through paper over the original one
copy out by metal movable type printing
copy out by woodblock printing
copy photography
copy propagation
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copyright agency
Copyright Clearance Center
Copyright, Designs and Patents Act 1988
copyright industry
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copyright law of Canada
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Copyright Law of the Beiyang Government
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