gymnosperm

gymnosperm

美 ['d??mn??sp?rm] 　英 ['d??mn?sp?:m]

• n.【植】裸子植物
• 網絡裸子植物門；裸子植物類群；裸子動物

詞形變化

復數：gymnosperms  

反義詞

英漢解釋

n.	1. 【植】裸子植物

英英解釋

n.	1. a woody vascular plant in which the ovules are carried naked on the scales of a cone, e.g. a conifer, cycad, or ginkgo.

例句

We also performed the cytological mechanism study of fertilization for gymnosperm Chinese pine (Pinus tabulaeformis).

在本項目的資助下，我們也對裸子植物油松受精過程的細胞學機制進行了探索。

From the present results, we considered that tracheary elements that conduct water and mineral in ferns and gymnosperm are tracheids .

由此可以推測蕨類植物和裸子植物中輸導水分和礦物質的管狀分子主要為管胞。

By data collection of the database, we analyzed chromosome features of the group Gymnosperm.

在數據庫的統計數據基礎上，我們分析了裸子植物的染色體特征。

Gymnosperm A general term for any seed plant except the angiosperms, characterized by bearing naked seeds.

被子植物以外的種子植物統稱裸子植物，以種子裸露為特征。

Jurassic in the plant community, gymnosperm in the category of cycads , conifers and ginkgo category.

在侏羅紀的植物群落中，裸子植物中的蘇鐵類，松柏類和銀杏類。

Volatiles from Two Gymnosperm Fossils: Miocene Leaves of Metasequoia glyptostroboides and Early Cretaceous Seed Cone of Pityostrobus spp.

中新世水杉葉片和白堊紀松型球果化石中的揮發性成分。

What recorded them were embryos of angiosperm and gymnosperm.

記憶它們的是被子植物和裸子植物等胚種。

The Sieve Element Plastid Ultrastructure of Gymnosperm Species and Its Taxonomical Significance

種裸子植物篩分子質體的超微結構及分類更詳細。

Compare of wood between the Gymnosperm and Angiosperm

裸子植物和被子植物木材的比較

Programmed Cell Death in Sexual Reproduction of Gymnosperm

裸子植物有性生殖過程中的細胞程序化死亡

Stem morphology of a gymnosperm

裸子植物莖外形

Structure of wood in Gymnosperm

裸子植物木材的結構