seed plants 中文意思是什麼

seed plants 解釋
種子植物類
  • seed : n （pl seed（s））1 〈集合詞〉【植物；植物學】種；種子。2 顆粒；晶粒。3 〈pl 通例 seed〉 【生理】...
  • plants : 花草
  1. A floristic study of seed plants on songzao coal mine

    松藻煤礦種子植物區系特徵研究
  2. Floristic study on seed plants of qianfoshan natural reserve

    千佛山自然保護區種子植物區系特徵研究
  3. Floristic analysis of seed plants in longhushan nature reserve, guangxi province

    廣西龍虎山自然保護區種子植物區系分析
  4. The floristic analysis of seed plants in baishanzu nature reserve from zhejiang province

    浙江百山祖自然保護區種子植物區系分析
  5. Their genera plantarun dealt only with seed-plants.

    他們的《植物屬志》只涉及到種子植物。
  6. In seed plants it is the generative cell in the pollen grain, which divides in the pollen tube to produce two sperm cells

    在種子植物中，它是在花粉粒中的生殖細胞，可以在花粉管內分裂形成兩個精子。
  7. In this paper, the basic characteristics of neilingding island ? s flora and their relationships with the neighboring floras were studied. the results show : ( 1 ) the vascular flora of neilingding island consists of 127 families, 367 genera and 551 species, of which 38 species of 25 genera and 20 families belongs to pteridophyta ; ( 2 ) the typical families of seed flora are lauraceae, rubiaceae, apocynaceae, annonaceae, euphorbiaceae, moraceae, aquifoliaceae, rutaceae, araliaceae, myrsinaceae, urticaceae, menispermaceae, araceae, palmae, etc. most of them also are the basic elements of cathaysian flora ; ( 3 ) 342 genera of seed plants in neilingding island can be classified to 13 types according to wu zheng - yi ? s " areal types of chinese genera of seed plant " ; the dominant geographical elements are pantropic genera ( 36. 05 % ), old world tropic ( 12. 54 % ), tropical asia ( 11. 60 % ), the total tropical elements made up to 84. 90 % of the total number of genera, but the typical and specialized tropical elements are scanty. most of them mainly distributes to sub - tropic or even to temperate zone ; ( 4 ) comparing the floristic composition of neilingding island with those of the neighboring regions, they is closely related to the flora of hong kong which is situated to the east of neilingding island. they all are belonged to the south china province of cathaysian kingdom

    通過對廣東內伶仃島的維管植物區系進行全面考察、採集、鑒定和研究，結果表明: （ 1 ）共有野生維管植物127科367屬551種，其中蕨類植物20科25屬38種，種子植物107科342屬513種， 12種為廣東新記錄; （ 2 ）種子植物區系的表徵科主要有:樟科、茜草科、夾竹桃科、番荔枝科、大戟科、桑科、冬青科、蕓香科、葡萄科、五加科、紫金牛科、蕁麻科、防己科、天南星科、棕櫚科等; （ 3 ）屬的地理成分以泛熱帶分佈為主，其次為舊世界熱帶及東亞分佈; （ 3 ）通過與鄰近地區植物區系的比較，發現內伶仃島與香港植物區系相似性最高，與古田、古兜山的相似性次之，而與南崑山的相似性較低，它們均屬于華夏植物區系界的華南省。
  8. In seed plants the protoxylem occurs at the innermost edge of the vascular bundles in stems, but external to the later - formed xylem in roots

    在種子植物中，原生木質部發生在莖的維管束的最內方，但在根中，位於後生木質部的外方。
  9. Cotyledon ( seed leaf ) the first leaf of the embryo of seed plants, which is usually simpler in structure than later - formed leaves

    子葉：種子植物胚胎的第一片葉，在結構上通常比后來形成的葉簡單。
  10. Study on the flora of the seed plants from lichuan of hubei

    湖北利川市種子植物區系研究
  11. The statistics on the family distribution types and genus distribution types of seed plants shows that the rare and endangered plants in yunnan province have obvious tropic and subtropic floristic characters

    種子植物科和屬的分佈區類型的統計結果表明，雲南省珍稀瀕危植物具有明顯的熱帶、亞熱帶性質。 ? ?雲南省珍稀瀕危植物信息系統? ? 3
  12. Internal fertilization takes place in the seed plants and some clubmosses and ferns, often by means of a pollen tube

    種子植物、某些石松和蕨類植物依賴于花粉管完成體內受精。
  13. The relationship between geography and climate in the generic - level patterns of chinese seed plants

    中國種子植物屬的地理成分分佈格局及其與氣候和地理的關系
  14. Angiosperms the flowering plants constituting by far the largest phylum ( anthophyta or angiospermophyta ) of vascular seed plants

    被子植物:由顯花植物組成的最大的一門維管種子植物。
  15. The existing seed plants in this area are 757 species, 423 genus, 129 family, belonging to 10 sections ' distribution type and 14 genus ' distribution type

    摘要永安桃源洞風景區內種子植物129科423屬757種，隸屬10個科分佈區類型和14個屬分佈區類型。
  16. China is geographically large and has variegated ecosystems, and this has made it one of the countries with the richest biodiversity in the world. more than 30000 species of seed plants, 581 species of mammals, 1244 species of birds, 376 species of reptilians, and 284 species amphibians have been identified

    中國地域遼闊，生態系統類型多樣，決定了中國是世界上生物多樣性最豐富的國家之一，我國目前已知種子植物30000餘種，獸類581種，鳥類1244種，爬行類376種，兩棲類284種。
  17. Fossil history of some endemic seed plants of east asia and its phytogeographical significance

    一些東亞特有種子植物的化石歷史及其植物地理學意義
  18. At the same time, the seed plants scatter equably in most of the families. big families do n ' t take dominant position in taiyuan urban flora

    太原市植被區系科內種的分佈比較均勻，大科在區系組成中的作用不顯著。
  19. This character is distinct in seed plants and is useful in fossil identification for the ephedraceae. 4

    麻黃屬聚合囊表面紋飾非常獨特，為該屬在地層中雄性生殖構造的發現提供了可參考的性狀。
  20. The variance of seed setting density and 1000 - seed weight of the different diploid seed plants is highly significant, but it is not significant in the different source of the same line

    不同品系的二倍體種株材料在結實密度和千粒重之間的差異性也分別達到0 . 01的極顯著水平，但同一材料的不同母根之間差異性是不顯著的。
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