affinity
发表于 2025-3-28 15:59:03
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流眼泪
发表于 2025-3-28 21:59:27
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FLOAT
发表于 2025-3-29 00:03:49
Multicellular Animals, by a system of pores through which a water current flows. The organism illustrated here is an example of a syconoid type of sponge and has a large exhalent opening called an osculum (Os in Figs. 1 and 2). At the margin of the osculum is a collar formed by the close apposition of many calcareous spi
过剩
发表于 2025-3-29 04:18:20
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培养
发表于 2025-3-29 10:10:38
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AV-node
发表于 2025-3-29 11:28:24
a vast array of microscopes. The scanning electron microscope (SEM) represents a recent and important advance in the development of useful tools for investigating the structural organization of matter. Recent progress in both technology and methodology has resulted in numerous biological publicatio
omnibus
发表于 2025-3-29 18:08:10
Cells in Culture,ues of scanning electron microscopy. In order to study such problems as the surface structure of whole cells and their form under different environmental conditions as well as the processes associated with malignant transformation of cells, the depth of field and the resolution afforded by the SEM is invaluable.
脱离
发表于 2025-3-29 21:52:04
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的是兄弟
发表于 2025-3-30 00:56:00
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