rachis
英
美
n. 脊柱；分脊；花序轴，叶轴；羽轴
英英释义
noun
- the series of vertebrae forming the axis of the skeleton and protecting the spinal cord
- the fall broke his back
- axis of a compound leaf or compound inflorescence
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。 - 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。 - 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 - 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。 - 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。 - Lumbar Di is changed and Di vertebra waist is changed is congenital rachis deformation.
腰椎骶化和骶椎腰化都是先天性脊柱畸形。 - 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。 - 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。 - Likewise, a plumulaceous tuft of barbs evolved before the pennaceous feather with a rachis because the rachis is formed by the fusion of barb ridges.
同样的，绒羽的羽枝簇比拥有羽轴的正羽更早演化出来，因为羽轴是由羽枝脊接合而成。 - 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。