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rachis

n.  脊柱;分脊;花序轴,叶轴;羽轴

医学

英英释义

noun

双语例句

  • 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。
  • 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;
  • 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。
  • 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 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;
  • The results indicated that crude choline and betaine and their water extract from the anthers, glume and rachis showed a marked stimulating effect on conidium germination, germ tube extension and hypha growth of Fusarium graminearum.
    结果表明,花药、颖壳和穗轴的抽提物及胆碱对赤霉菌分生孢子萌发、芽管伸长和菌丝生长有明显刺激作用。
  • 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。
  • Two QTL controlling primary rachis branches were identified and they were co located with 2 of the 3 QTL for vascular bundles respectively.
    2个控制一次枝梗数的QTL效应较小,但分别与控制穗颈维管束数的2个QTL同位。
  • 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。
  • 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。