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裸子植物

na.gymnosperm; gymnospermae
网络Gymnospermae; Gymnosperms; gymnospermous

裸子植物

裸子植物

英-汉网络释义

裸子植物

na.

1.gymnosperm; gymnospermae

1

Its native gymnosperms could evolve into a few species capable of growing in the warm, moist forests of Queensland .

本地的裸子植物可进化成能在昆士兰温暖湿润林区的树种。

2

It has enabled gymnosperms and angiosperms to colonize dry terrestrial habitats where lower plants are unable to establish themselves.

它使裸子植物和被子植物得以在干旱的陆地上繁衍生息，而低等植物是无法做到的。

5

In gymnosperms , the egg into the neck with only one of the two sperm and egg fusion .

在裸子植物中，进入颈卵器的两个精子只有一个与卵融合。

7

Late Permian a ginkgo , cycads , the cycads, conifers and other gymnosperms , the show began with the appearance of health.

晚二叠世出现了银杏、苏铁、本内苏铁、松柏类等裸子植物，开始呈现中生带的面貌。

8

used in some classification systems: a group of extinct fossil gymnosperms coextensive with the order Cycadofilicales.

用于某些分类系统中；一个灭绝的裸子植物化石群，与苏铁蕨目同域。

9

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

由此可以推测蕨类植物和裸子植物中输导水分和矿物质的管状分子主要为管胞。

12

Gymnosperma vertical distribution and ecological features of Jinfoshan, Nanchuan, Sichuan Province.

南川金佛山裸子植物的垂直分布和生态特点探索。

13

These genes are characterized by several distinct motifs and exist in ferns , gymnosperms , and angiosperms .

该类基因具有特征性基元，并存在于蕨类植物、裸子植物和被子植物中。

14

Most gymnosperms retain archegonia except for the most advanced genera Gnetum and Welwitschia.

除了买麻藤属和百岁兰属以外大多数裸子植物还保留有颈卵器。

15

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

在数据库的统计数据基础上，我们分析了裸子植物的染色体特征。

16

Title An outline of embryological characters of gymnosperms in relation to systematics and phylogeny .

裸子植物的胚胎学特征及其与分类、系统发育的关系。

17

In gymnosperms it gives rise to the body cell and stalk cell .

裸子植物的生殖细胞可形成体细胞和柄细胞。

18

For mosses and ferns , the intermediary is water . For conifers like pine trees and cypresses , the intermediary is wind.

苔藓和蕨类植物，它们的媒介是水，裸子植物如松和柏，它们的媒介是风。

19

fossil gymnospermous plants of the Carboniferous .

石炭纪的裸子植物化石。

20

21

Different opinions on the origins and evolutions of pteridophytes and gymnosperms .

蕨类植物和裸子植物的起源与进化。

22

Archegonium The female sex organ of the mosses , ferns , club mosses, horsetails, most gymnosperms, and some red and brown algae .

一些苔藓，蕨类，红藻，褐藻和裸子植物中的雌性生殖器官。

24

any of various gymnospermous trees having yellow wood .

具有黄色木质的裸子植物树木的任何一种。

25

integument A layer surrounding the nucellus in the ovules of gymnosperms and angiosperms .

是裸子植物和被子植物的胚珠中包裹珠心的结构。

26

a family of fossil gymnospermous plants of the Carboniferous .

石炭纪裸子植物化石的一科。

27

28

Rhizoid A unicellular root like structure found in certain algae and in the gametophyte generation of the bryophytes and some ferns.

在一些藻类、苔藓植物和裸子植物配子体中存在的由单个细胞形成的类似根的结构。

30

What recorded them were embryos of angiosperm and gymnosperm .

记忆它们的是被子植物和裸子植物等胚种。

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