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- A lateral meristem in most vascular plants that forms parallel rows of cells resulting in secondary tissues either as secondary growth or as cork. 形成层大多数导管植物中靠近边缘的分生组织，它形成植物细胞组成的平行的行列，导致产生二次组织、二次增生或长成软木
- A tissue composed of cells capable of active cell division, producing xylem to the inside of the plant and phleom to the outside; a lateral meristem. 一种具有强烈分生能力的组织,向内产生木质部,向外产生韧皮部;一种侧生分生组织。
- Lateral root initiation, lateral root primordium formation, and formation and activation of lateral meristem are some key stages for lateral root formation. 侧根的发生起源于特定的中柱鞘细胞，其发生过程可简单地分为侧根发生的起始、侧根原基的形成、侧根分生组织的形成和活化等几个关键时期。
- It is a lateral meristem and contains fusiform initials giving rise to secondary xylem and phloem and ray initials giving rise to medullary rays.See also secondary growth. 维管形成层属于侧生分生组织，包括能够产生次生木质部与次生韧皮部的纺锤状形成层原始细胞和产生髓射线的射线原始细胞。
- Secondary growth occurs at the lateral meristems, namely the vascular cambium and cork cambium. 木质部韧皮部相间排列，外抵中柱鞘。而此两者都来源于中柱鞘。
- He took sick and died a week later. 他得了病，一周后就死去了。
- Later he also gained in aesthetic knowledge. 后来他的美学知识也增加了。
- I am sorry-she's out. Can you ring again later? 对不起－她出去了。你过些时候再打电话来好吗？
- It's all one to me whether we eat now or later. 现在吃或是等一会儿再吃对我来说都一样。
- I'll write you later in regard to this matter. 关于这个问题以后我给你写信。
- lateral meristem 侧生分生组织
- His wife later bore a son and a daughter. 他的妻子后来生了一男一女。
- The attack would bog down sooner or later. 进攻迟早会陷入停滞状态。
- My roommate gets up later than I do. 我的同屋比我起得晚。
- You will leave your parents sooner or later. 你迟早会离开父母的。
- She had her baby weaned a year later. 她在一年后才把孩子的奶断掉。
- An hour later they came off the night shift. 一个钟头之后他们下夜班了。
- I'm going round to my parents' (house) later. 我打算以後到父母(家)那儿看看。
- Leaf is the first lateral organ produced by the activity of the shoot apical meristem (SAM). 摘要叶片（包括子叶）是茎端分生组织产生的第一类侧生器官，在植物发育中具有重要地位。
- We will talk at large about it later. 我们以后对这个再作详尽探讨。
