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- 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。
- A display device that uses a cathode ray tube. 一种使用阴极射线管的显示装置。
- Vascular cambium possesses two distinct types of initials, ray initials forming medullary rays, and fusiform initials producing xylem and phloem elements. 维管形成层具有两种明显的分生组织，射线原始细胞形成了髓（还应包括维管射线，译者注）射线；纺锤状原始细胞形成了次生木质部和次生韧皮部。
- Radioactive ray is material thing. 放射线是实际的物质。
- A ray flower or the corolla of a ray flower. 舌状花舌状花或这种花的花冠
- A ray of sunlight pierced the clouds. 一缕阳光穿透了云层。
- I was left without a ray of hope. 我连一线希望也没有了。
- His initial reaction was one of shock. 他最初的反应是震惊。
- The initial `h' in `hour' is not aspirated. hour一字中起首的h不发送气音。
- Her visit brought a ray of sunshine into the children's lives. 她的来访给孩子们的生活带来了欢乐。
- Ray take a gulp of coffee and rushed out of the room. 雷喝了一大口咖啡，接着便冲出了房间。
- The start or initial stage; the outset. 开始，开端开始或初始阶段
- After she'd overcome her initial shyness, she became very friendly. 她克服了开始时的羞涩之后，就变得非常友善。
- He focused the sun's ray on a piece of paper with a burning-glass. 他用一面凸透镜把阳光在纸上聚成焦点。
- Ok may I have your last name and first initial, please? 好的。请您告诉我贵姓及大名的头一个字母。
- The new aircraft has performed very well in its initial trials. 这种新式飞机在最初几次试飞中表现性能良好。
- The government underwrotethe initial costs of the operation. 政府为该项活动提供了开办时所需的费用。
- Ray took a gulp of coffee and rushed out of the room. 雷喝了一大口咖啡,接著便冲出了房间。
- An ulcer located at the initial point of entry of a pathogen. 初疮病原体最初侵入的那点处的溃疡
- The ray also bends when it leaves the glass. 光线离开镜头时的情况也是如此。
