cycads
英
美
网络 苏铁类; 苏铁植物; 苏铁; 铁树; 苏铁属
双语例句
- Any cycad of the genus dioon; handsome palmlike cycads with robust crowns of leaves and rugged trunks.
凤尾蕉属的苏铁植物；一种漂亮的掌状苏铁，叶片和崎岖的树干上长有坚硬的树冠。 - Any of various chiefly tropical American cycads of the genus zamia, having a thick, usually underground trunk, palmlike terminal leaves, and seeds borne in woody cones.
泽米一种主要生长在美洲热带地区的泽米属苏铁科植物，其树干很粗，通常长在地下，生有掌状顶生叶子，而且种子生于木本球果中。 - Genus of large evergreen Australian cycads; sometimes classified in family Cycadaceae.
一种大的常绿澳大利亚苏铁；有时被放入苏铁科。 - A family of cycads often included in the family Cycadaceae: zamias.
苏铁类的一科常常包括在苏铁科；泽米属植物。 - Small genus of Mexican cycads; sometimes classified in family Cycadaceae.
一种小的墨西哥苏铁；有时被放入凤尾松科。 - Small genus of arborescent cycads of Mexico and Central America; sometimes classified in family Cycadaceae.
一种小的树木状的墨西哥苏铁和中美苏铁；有时被放入苏铁科。 - Tall Paleozoic trees superficially resembling modern screw pines; structurally intermediate in some ways between cycads and conifers.
一种高大的古生代树木，外表与现代的露兜树相似；结构上介于苏铁和针叶树之间。 - They expected to find evidence of well-known Late Cretaceous vegetation such as conifers and cycads.
他们原本期望发现晚白垩世时期著名植物如针叶树和苏铁存在的证据。 - As the structure of the pinnaes, palisade and spongy tissues are found in the structure of the rachises of the 9 species of cycads, which is an advent appearance that cycads adapt to the environment.
在9种苏铁类植物叶轴的结构中发现，苏铁科6个种的叶轴都有与羽片一样的栅栏组织和海绵组织结构，这是植物适应环境的一种很进化的现象； - Studies on the resources and classification of the wild cycads from guangxi(ⅰ)
广西野生苏铁资源及其分类研究（一） - This is the second discovery of vessel in cycads after the first discovery of vessel in Zamia furfuracea.
这是继鳞秕泽米铁中发现导管之后再次在苏铁类植物中发现导管。 - Search for Two Species of Wild Cycads in Guizhou
寻访贵州的两种野生苏铁 - Discovered Vessel in Cycads Again
在苏铁类植物中再次发现导管 - This paper reports reproductive organ fossils of cycads collected by the author in China.
本文对苏铁类化石的系统分类作了概要的介绍。 - There are 11 genus with about 200 species of cycads in the world, and the chemical constituents and pharmacology of many species have been reported.
苏铁植物分11属共200余种，其中许多种的化学成分和药理作用已陆续有报道。 - The rachis of these cycads had structure characteristic of xerophytes, i.e., thicker cuticular membrane, developed mechanical tissue, the more secretion, crystal and secretory canal and more number of vascular bundles etc.
苏铁类植物叶轴具有旱生植物的解剖结构特征：角质层较厚、表皮细胞壁厚、机械组织发达、晶体较多、分泌道和维管束数目较多等结构特征。 - PCR fingerprintings of cyanobacteria isolated from coralloid roots of Cycads ( Cycas revoluta) and their surrounding soil
苏铁珊瑚状根及根周围土壤中蓝细菌的PCR指纹图谱 - This finding is contrary to the conclusion that Cycads belong to taproot system for a long time, and is a new discovery in Cycads research.
这一研究成果打破了长期以来认为苏铁类植物为直根系植物的结论，是苏铁类植物研究的一个新的、重大的发现。 - Through the survey, observation and study of the cycads in Fujian for over three years, the investigation of Fujian cycad provenance has been basically completed. It is thought that two kinds of cycads are native to Fujian, i. e.
对福建苏铁经过3a多的调查、观察和研究，基本完成福建苏铁原产地的调查，认为福建原产2种苏铁即福建苏铁和四川苏铁。 - Cycads once dominated the Earth together with dinosaur
苏铁曾与恐龙称霸地球 - Optimization of PCR Conditions for Symbiosis of Cyanobacteria in Cycads
苏铁共生蓝细菌PCR条件的优化 - The Species and Distribution of Cycads from Yunnan
云南苏铁属植物的种类及分布 - The Growth and Development of Frond and Pinna in Five Species of Cycads
五种苏铁羽叶和羽片的生长发育 - Comparative Anatomic Studies on Rachis of Eight Species of Cycads
八种苏铁植物叶轴的比较解剖研究 - DNA diversity analysis on the Cyanobacteria freshly isolated from Cycads based on PCR with different primers
几种引物对苏铁共生蓝细菌的DNA多态性分析 - A Summary of Wild Cycads in Baise City
盘点百色野生苏铁