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
- 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。 - 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 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。 - 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。 - 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。 - 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。 - 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。 - Character and re-inoculation experiment indicated that the strains were Bradyrhizobium sp. ( A rachis), which provide a base for the coming research of peanut's nodulation gene.
所得菌株经理化性质和回接试验鉴定为慢生根瘤菌,从而为接着的花生根瘤菌及其结瘤基因的研究提供了基础。 - 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。 - Its anthotaxy is spica, and amphimixis flowers is serried inserted on the thick rachis.
穗状花序,两性花密集着生于粗大的花轴上。
