angiosperms造句

• The life cycle of maize is that of a typical angiosperm .
  玉米的生活史是被子植物中比较典型的。
• Angiosperms begin as free zygotes immersed in a fluid .
  被子植物开始时是浸沉在液体中的游离合子。
• Somatic cells of angiosperms enter a regenerative phase and behave like embryos .
  被子植物体细胞进入一个生殖阶段，而且其行为象胚。
• Other angiosperm cultures based on totipotent cells could be adapted to similar ends .
  其它用全能细胞的被子植物培养能够适合于类似的目的。
• This latter statement finds support in contemporary works on angiosperm embryology .
  后者这一说法，在当代被子植物胚胎学研究中获得了支持。
• Perhaps a key adaptive advantage of the angiosperm is their ability to construct wood with much less expenditure of energy per unit weight .
  也许被子植物适应优势的秘诀就在于它们有能力形成每单位重量的木材可支付少得多的能。
• Photomicrographs of angiosperm organs andtissues
  被子植物组织及器官的显微照片
• Application of molecular markers rapd in angiosperm classifacation
  在被子植物分类上的应用
• On extant primitive angiosperms and their phytogeography
  现存被子植物原始类群及其植物地理学研究
• What type of angiosperm do these leaf cross - sections represent
  这些叶片的横切面代表何类被子植物？
• Filament 1 . the stalk of the stamen bearing the anther in angiosperms
  花丝： 1 .被子植物中，雄蕊支撑花药的柄。
• Reproductive organ embryonic development of angiosperm seed slide specimen
  被子植物生殖器官及胚胎发育玻片标本
• Endosperm the nutritive tissue that surrounds the embryo in angiosperms
  胚乳：指包在被子植物胚外方的营养组织。
• Angiosperm seed slide specimen
  被子植物种子切片
• Study on the angiosperm flora in the chongming dongtan natural reserve of birds
  崇明东滩鸟类自然保护区被子植物区系研究
• Pollen sac a chamber in which the pollen is formed in the angiosperms and conifers
  花粉囊：在被子植物和针叶类中形成花粉的小室。
• There are 121 families , 558 genera and 1159 species of angiosperms in dahongzhai mountain
  摘要大鸿寨现有种子植物121科， 558属， 1159种。
• Ribosomal rna genes ( rdna ) , a group of tandem repetitive sequence , are well - studied in angiosperms
  被子植物的rrna基因已经得到深入研究。
• Most angiosperm ovules possess two integuments , while gymnosperms usually have only one
  大多数被子植物的胚珠有两层珠被，而裸子植物通常只有一层。
• The female gametophyte is reduced , but larger than in angiosperms ; it is not autotrophic
  裸子植物的雌配子体简化，但较被子植物体的体积大，不能自养。