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- 維管束鞘CO2泄漏CO2 leakage from bundle sheath
- 維管束鞘伸展區bundle-sheath extension
- 它顯示出兩個(gè)發(fā)育完全之維管束鞘位于維管束周?chē)?/a>It shows two well-developed sheaths around the vascular bundles.
- 維管束鞘:在被子植物葉中,圍繞維管束的通常是一層薄壁或厚壁細胞。Bundle sheath The ring of parenchymatous or sclerenchymatous tissue, usually one cell thick, that surrounds the vascular bundle in an angiosperm leaf.
- 鞘scabbard
- 我不知道誰(shuí)泄漏了這一消息。I wonder who spilled out the information.
- 我發(fā)誓決不泄漏這一秘密。I vowed never to reveal the secret.
- 楊樹(shù)葉主脈處的維管束鞘薄壁細胞在與葉肉組織相鄰接的細胞中,通常含有少量較小的葉綠體,而位于背腹面的細胞中含有貯藏的淀粉。Observing the parenchyma cells of the vascular cylinder on the midvein, it was shown that the cells adjacent to the mesophyll cells usually contained little smaller chloroplasts while those on both abaxial and adaxial side contained stored starch granules.
- CO2carbon dioxide
- 千萬(wàn)別把真相泄漏出去。Be sure not to let the truth slip.
- CO2源carbon dioxide source
- 他不小心泄漏了這個(gè)秘密。He revealed the secret by accident.
- 他無(wú)意中泄漏了秘密。He blundered out a secret.
- 髓鞘medullary sheath
- 他的秘密泄漏了。His secret got out.
- 例如在雌雄異株物種中的雌性植物和雄性植物,氣生的和被水浸沒(méi)的葉片,生活史中的配子體與孢子體的交替,葉肉和維管束鞘葉綠體等。Examples include male and female plants in dioecious species, aerial and submerged leaves, alternation of gametophyte and sporophyte stages of a life cycle, and mesophyll and bundle-sheath chloroplasts.
- 我嗅到泄漏的瓦斯。I can smell a leak of gas.
- 水生維管束植物aquatic vascular plant
- 秘密一直沒(méi)有泄漏。The secret endured.
- 閉鎖維管束closed bundle