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

• The setting ratio of spikelets on secondary rachis branch was more subject to climate and management.
  二次颖花的成粒率受气候及管理水平影响较大；
• 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。
• 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。
• Total amount of choline and betaine in the anther was significantly higher than that in the glume and rachis.
  花药中的胆碱类物质含量显著高于颖壳和穗轴中的含量。
• 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。
• 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；
• A low-growing, weedy grass ( Paspalum distichum) with spikelets arranged in two rows along the rachis. any grass of the genus Chloris; occurs in short grassland especially on waste ground or poor soils.
  两耳草一种小穗沿叶轴排成两行的低矮蔓生草（两耳草雀稗属）虎尾草属的任何一种草；出现在矮草原尤其在荒原或土壤贫瘠地区。
• 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。
• 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
• 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