无价值
发表于 2025-4-1 04:55:29
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比喻好
发表于 2025-4-1 09:40:11
O. Zimmermann,S. Heetel,A. Bauernnected with tree form and crown positioning. Thus, for some species where severe growth stress problems are encountered, it may be possible to combine genetic selection and silvicultural practices based on a knowledge of growth stresses to produce a more uniform and homogeneous wood product. A rece
为敌
发表于 2025-4-1 12:42:46
U. Zeymerhich coincided with noticeable increment decrease. The most noticeable increment decrease occurs when low- and middle-frequencycyclic components simultaneously reach the minimum. In the present century, a deep increment minimum took place around the year 1960 in the north taiga, and around the year
Encapsulate
发表于 2025-4-1 17:51:55
B. Reister,F. Kellertries. However, despite the dynamism of modern production technology in farming and the world’s need for more food, agriculture is a declining industry in the sense that its share of total output is falling in all countries, reflecting the fact that the income elasticity of demand for farm products
patella
发表于 2025-4-1 20:23:00
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扩大
发表于 2025-4-1 23:58:55
C.-M. Muth,M. Georgieff,B.E. Winkler may provide a very imperfect guide to the social optimum allocation of resources because they do not reflect the opportunity cost or value to society of the use of factors of production or the production of certain commodities. A perpetual shortage of capital and foreign exchange, and a surplus of
Agronomy
发表于 2025-4-2 02:54:52
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facetious
发表于 2025-4-2 07:17:00
dic FGF (FGF-1) and basic FGF (FGF-2) are the prototypes. Other members of this family include int-2 (FGF-3), K-fgf (FGF4), FGF-5, FGF-6 and KGF (FGF-7). They are potent modulators of cell function proliferation, motility, differentiation and survival. Furthermore, they play an important role in nor
莎草
发表于 2025-4-2 14:20:23
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航海太平洋
发表于 2025-4-2 17:34:44
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