查询词典 fern

In the fern allies, there was no obviously evolutional trend among the mycotrophic, facultative mycotrophic and autotrophic, however, the evolutionary trend may be from the mycotrophic to facultative mycotrophic, and at last to the autotrophic which got rid of mycotrophism in the filicophytes

在拟蕨类植物中，VA菌根营养、兼性菌根营养和自养之间无明显的进化趋势；而在真蕨类植物中，则由VA菌根营养向着兼性菌根营养到最后摆脱菌根营养而行自养的方向演化

Tropical American fern with coarsely lobed to palmatifid fronds.

具有粗糙叶片和掌状复叶的一种美洲热带蕨类。

Pantropical epiphytic or terrestrial whisk fern with usually dull yellow branches and minute leaves; America; Japan; Australia.

遍布于热带的长有浅黄色叶柄和细小叶片的石生或陆生松叶蕨；见于美洲；见于日本；见于澳洲。

Rock-inhabiting fern of northern North America growing in massive tufts and having parsleylike fronds.

北美洲北部一种具有类似于欧芹复叶的丛生的石生蕨类。

Fern of Europe and Asia Minor having short slender rhizome and densely tufted bright green parsleylike fronds.

欧洲和小亚细亚一带具有短小剑状根茎和亮绿的似欧芹复叶的一种丛生蕨类。

Tropical American fern with broad pinnae; widely cultivated.

带有宽大羽叶的美洲热带蕨类；被广泛种植。

The main stalk on which the leaflets are borne in a compound leaf, or on which the pinnae are attached in the fern leaf.

叶轴：1。复叶中小叶着生的主轴，或者蕨类植物羽状叶着生的轴。

Old World tropical fern; in some classification systems placed directly in family Polypodiaceae.

旧大陆的热带蕨；在一些分类系统中直接归入水龙骨科。

A new fern species, Polystichum puteicola (sect. Haplopolystichum, Dryopteridaceae), is described from a karst sinkhole in northwestern Guizhou, China.

本文描述了在中国贵州西北部一喀斯特天坑中发现的耳蕨属半开羽耳蕨组Polystichumsect。

Here we reported on an effective method for total RNA isolation from a fern plant,Pteris vittata L.

介绍了一种提取蕨类植物蜈蚣草Pteris vittata L。

He's a pretty westernised kind of guy.

他是一个非常西化的人。

National spirit is the moral kingpin for a nation to realize common ideal and goal.

一、中华民族精神的基本内涵党的十六大报告指出：在五千多年的发展中，中华民族形成了以爱国主义为核心的团结统一、爱好和平、勤劳勇敢、自强不息的伟大民族精神。