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
- 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。 - Effect of Water Deficit on Vascular Bundle System of Rachis in Wheat
水分亏缺对小麦抽穗期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; - 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。 - 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。 - 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。 - 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; - 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。 - 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。 - 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。