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

• 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
• 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。
• 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 study discovered that there are assimilating tissue which like the shape of palisade tissue in adaxial surface of rachis in all species of Cycas.
  研究还发现苏铁科种类的叶轴的近轴面均像叶片那样具有栅栏组织状同化组织存在。
• 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；
• 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
• 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
• 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。
• 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。
• 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；