Optician
发表于 2025-3-21 17:54:03
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抵制
发表于 2025-3-21 23:08:39
978-94-017-5756-0Springer Science+Business Media Dordrecht 1965
黄瓜
发表于 2025-3-22 02:52:43
Overview: 978-94-017-5756-0978-94-017-6137-6
是限制
发表于 2025-3-22 07:16:28
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athlete’s-foot
发表于 2025-3-22 12:48:47
Agricultural Settlement and the Layout of Land,nd land layout are so closely connected with the socio-economic organization of land and labor in agriculture that a survey of land structure may well start with these physical features, clearly distinguishable on air photos or from a vantage point on the ground, and their bearing on economic and social facts and relationships.
Esophagus
发表于 2025-3-22 15:48:23
Land Supply and Labor Force,land is often thought of as given. The complementary concept of economic supply is only gradually gaining ground. As a consequence of interaction between the productive and consumptive forces of the economy, the effective resource base becomes modified, functionally, over the longer run.
污点
发表于 2025-3-22 17:54:11
Agricultural Co-Operation, entities. Only the inter-change of labor between farms was touched upon. It was mentioned that sometimes very large farms may be organized on localized sub-farms with some, if limited, managerial autonomy; and this case may shade over into that of a complex of sharecropper holdings under unified supervision.
凹槽
发表于 2025-3-22 23:21:01
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言外之意
发表于 2025-3-23 03:56:08
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胆小懦夫
发表于 2025-3-23 06:36:27
Folke Dovring,Karin Dovringng into its effects on immune modulation and inflammation. Expansion of the role of sunlight in stimulating vitamin D production is discussed relative to the reduction in a variety of cancers. Clearly vitamin D978-90-8686-765-3Series ISSN 2212-375X