IRK
发表于 2025-3-25 06:04:24
Spaces of Teaching and Learning parenchyma is usually surrounded by a secondary wall. This definition excludes living fibers, which have contents living at maturity but which tend to have thicker walls than axial parenchyma; if septate, living fibers are subdivided only by a primary wall (cf. Fig. 4.6, parts 3 and 4).
Canary
发表于 2025-3-25 08:02:10
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做事过头
发表于 2025-3-25 15:44:09
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杀菌剂
发表于 2025-3-25 18:28:53
Growth Rings,oliar development, locality (e.g., microclimates), and “internal factors” (e.g., growth-promoting substances). Chowdhury concluded that the factors are interrelated, and one obtains no clear picture of which factors are primary and which are secondary in initiation and differential events within a growth ring.
Rodent
发表于 2025-3-25 21:22:31
Axial Parenchyma, parenchyma is usually surrounded by a secondary wall. This definition excludes living fibers, which have contents living at maturity but which tend to have thicker walls than axial parenchyma; if septate, living fibers are subdivided only by a primary wall (cf. Fig. 4.6, parts 3 and 4).
TATE
发表于 2025-3-26 02:01:50
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强有力
发表于 2025-3-26 05:41:20
Evolution in Wood: An Ecological/Functional Synthesis,od features? (3) How polyphyletic are particular wood features? (4) How conservative are particular wood features? And (5) to what extent is evolution of particular features irreversible or reversible? Features of wood anatomy ought to obey the same neo-Darwinist principles as those operating in the evolution of other features in organisms.
有抱负者
发表于 2025-3-26 10:46:08
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Somber
发表于 2025-3-26 12:41:46
Peter Goodyear,Robert A. Ellis,Alexi Marmothe cambium as secondary rays, while numerous other secondary rays are added by the cambium. In some herbs or woody herblike plants, many of the primary rays may be extended by the cambium with few modifications and only a small number of new wood rays added by the cambium as growth proceeds.
让你明白
发表于 2025-3-26 19:34:07
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