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

• 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。
• 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；
• Effect of Spikelets upon Secondary Rachis Branch on Yield of Rice
  水稻二次枝梗颖花的灌浆程度对产量的影响
• 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
• Acrylic printed fleecy suit Inflorescence paniculate, rachis tawny tomentose; female flowers borne on basal part of the inflorescence.
  腈纶珠光网眼泡沫印花套装花序圆锥状；花序轴被灰黄色短绵毛；雌花著生于花序轴下部。
• 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。
• 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。
• Likewise, a plumulaceous tuft of barbs evolved before the pennaceous feather with a rachis because the rachis is formed by the fusion of barb ridges.
  同样的，绒羽的羽枝簇比拥有羽轴的正羽更早演化出来，因为羽轴是由羽枝脊接合而成。
• 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。
• 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。