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 explants of perianth and ovary require higher amount of auxins than that of rachis, pedicel and peduncle.
  但花被、子房较花序轴切片及花柄需要较高的激素用量。
• The activity of catalase in rachis branches of ratooning rice of HMST and LST varieties improved with declining stubble height, whereas a contrary trend was observed for HST ones.
  中高桩与低桩再生型品种再生稻枝梗过氧化氢酶活性随留桩高度下降而增强，而高桩再生型品种表现相反；
• 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。
• Meanwhile filled grain number also correlated closely to fruiting primary rachis branch number and treatments in total sample containing treatments.
  同时，总样本（含处理）还与结实一次枝梗数和处理密切相关。
• 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 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；
• 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 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
• In addition, the developments of all traits about floral axis rachis were evidently influenced by environment.
  此外，环境显著影响花序轴各性状的发育。