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筛管
释义
筛管
Encyclopedia
理学
〔植物形态与结构〕
释
sieve tube
筛管
由一系列筛管分子通过端壁上的筛板彼此相连形成的长管。在端壁和侧壁上的筛域分化明显,常见于被子植物中。
Biology
madreporic canal; sieve tube
筛管
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