rachis

英

美

n.  脊柱；分脊；花序轴，叶轴；羽轴

医学

英英释义

noun

• the series of vertebrae forming the axis of the skeleton and protecting the spinal cord
  1. the fall broke his back
  Synonym:spinal columnvertebral columnspinebackboneback
• axis of a compound leaf or compound inflorescence

双语例句

• Moreover, it mainly resulted in shortened internode under the rachis internode, with forming good plant shape, and increasing the number of ear bearing tiller, but decreasing the per ear grain number.
  而且主要是缩短穗下节间以下的节间，对穗下节间无明显影响，形成良好的株型，并可增加成穗数，但穗粒数有所减少。
• Comparative Anatomic Studies on Rachis of Eight Species of Cycads
  八种苏铁植物叶轴的比较解剖研究
• 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；
• Relationship between Vascular Bundle System of Rachis and Rachilla and Ear Productivity in Wheat
  小麦穗轴和小穗轴维管束系统及与穗部生产力关系的研究
• 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。
• Character and re-inoculation experiment indicated that the strains were Bradyrhizobium sp. ( A rachis), which provide a base for the coming research of peanut's nodulation gene.
  所得菌株经理化性质和回接试验鉴定为慢生根瘤菌，从而为接着的花生根瘤菌及其结瘤基因的研究提供了基础。
• 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。
• Small early-flowering buttercup with shiny yellow flowers of western North America. Inflorescence paniculate, rachis tawny tomentose; female flowers borne on basal part of the inflorescence.
  北美西部的一种小形的早花毛茛，花黄色、有光泽。花序圆锥状；花序轴被灰黄色短绵毛；雌花著生于花序轴下部。
• 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。
• Studies on Plant Regeneration Induced from Rachis Receptacle and Unfertilized Ovary of Cauliflower
  花椰菜未受精子房、花托、花序轴离体培养诱导成苗研究