“sieve tube”的概念、定义、翻译、参考文献-科学参考

单词	sieve tube
释义	sieve tube 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 sieve tube筛管
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