rachis

基本解释

• n.脊椎；脊柱；花轴

同根派生

英汉例句

双语例句

• That is interesting because the rachis seems to aid in flight.
  这就很有趣了，因为羽轴似乎有助于飞行。
• Raceme rachis and pedicels pubescent or puberulent ; bract and bracteole usually borne on distal 1/2 of pedicel.
  总状花序轴和花梗具短柔毛或微柔毛；苞片和小苞片通常生于花梗上部的1/2。
• Pedicels of spikelet pair equal, as long as rachis internode; upper glume with 0. 5–1 mm mucro.
  小穗对的花梗等于，倍于轴节间；上面颖片具0。5-1毫米短尖头。

词组短语

短语

• rachis oil 落花生油
• rachis s 脊柱;叶轴
• RACHIS NODE 穗轴节
• rachis trauma 脊椎外伤
• bifurcated rachis 穗轴分叉

英英字典

柯林斯英英字典

• the main axis or stem of an inflorescence or compound leaf

专业释义

农业科学

• 穗轴

  Wax slicing technique and micro-structure determination methods were adopted to study the vascular bundle structure in flag leaves,sheath,internodes,the 1st node below the ear,rachis of hybrid wheat 901,the father and mother plant,and Shan229.
  用常规石蜡切片法和显微观测技术，对开花后28天的901、恢复系、不育系和陕229四个小麦品系的旗叶、叶鞘、节、节间、穗轴和籽粒腹沟区维管束进行显微观测。

• 叶轴

  Via the study for the regeneration of the folioles and rachis of the compound leaf, rachis is selected for the genetic transformation.
  通过对刺槐复叶中小叶和叶轴两部分的再生试验，确定刺槐的叶轴作为本试验进行遗传转化的受体材料。

• 花序轴

  Rachis was the most fitting explant to induce the bulblets in vitro directly. The MS medium with 10mg/LBA, 5mg/LNAA and 30g/L sucrose was founded to be optimum for induction bulblets from rachis, the effective induction rate reached 171.3%.
  3.适合花序轴诱导试管球的最佳培养基为MS+BA10mg/L+NAA5mg/L+蔗糖30g/L,有效诱导率达到171.3%。

  生物学

• 羽轴

  The diameter of the rachis stay the same.
  羽轴直径保持不变。

• 叶轴
• 花序轴
• 花轴
• 主轴;脊柱
• 脊
• 脊柱;花序轴
• 叶轴;羽轴;中央索;端轴

物理学

• 分脊

地球科学

• 叶轴