rachis
英
美
n. 脊柱;分脊;花序轴,叶轴;羽轴
英英释义
noun
- the series of vertebrae forming the axis of the skeleton and protecting the spinal cord
- the fall broke his back
- axis of a compound leaf or compound inflorescence
双语例句
- Effect of Water Deficit on Vascular Bundle System of Rachis in Wheat
水分亏缺对小麦抽穗期穗轴维管束系统的影响 - Spinal cord is to be located in the organization of a kind of nerve among rachis.
脊髓是位于脊柱中间的一种神经组织。 - The results showed that there was notable difference between rates of spikelets on secondary rachis branch to total spikelets of different types of rice varieties. Varieties with heavy spikes had more spikelets on secondary rachis branch, accounting for over 70% of total spikelets.
试验结果表明:不同类型水稻品种的二次颖花占总颖花的比率有明显差异,穗重型品种二次颖花多,占总颖花的70%以上; - Spadix rachis flat, margin with bract-like appendages; flowers small, monoecious, in 2 series on rachis, apetalous.
肉穗花序轴扁平,边缘有苞片状附属物;花小,单性,雌雄同株,呈2列排列于花序轴上,无花被。 - Pot experiments were carried out to study the effect of water deficit on vascular bundle system of rachis in wheat during heading stage.
利用盆栽试验研究了水分亏缺对抽穗期小麦穗轴维管束系统的影响。 - The rachis of these cycads had structure characteristic of xerophytes, i.e., thicker cuticular membrane, developed mechanical tissue, the more secretion, crystal and secretory canal and more number of vascular bundles etc.
苏铁类植物叶轴具有旱生植物的解剖结构特征:角质层较厚、表皮细胞壁厚、机械组织发达、晶体较多、分泌道和维管束数目较多等结构特征。 - It showed that the vascular bundle system of rachis in wheat changed apparently under water deficit.
表明水分亏缺显著改变了小麦穗轴维管束系统的显微解剖结构。 - Lumbar Di is changed and Di vertebra waist is changed is congenital rachis deformation.
腰椎骶化和骶椎腰化都是先天性脊柱畸形。 - Its anthotaxy is spica, and amphimixis flowers is serried inserted on the thick rachis.
穗状花序,两性花密集着生于粗大的花轴上。 - Pathological anatomy of rachis in Wheat Varieties with resistance against scab
小麦品种抗赤霉病穗轴病理解剖的研究