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Apospory is found in some mosses and ferns.

无孢子生殖存在于一些苔藓和蕨植物中。

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Ferns grow in shady and moist places.

羊齿植物生长在阴暗潮湿

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Apomixes is comparable to the conditions of apogamy and apospory, which are seen in many ferns.

在许多蕨植物中常见无融合生殖包括无配子生殖和无孢子生殖。

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The ultrastructure of the blepharoplast and the multilayered structure (MLS) in the fern Osmunda cinnamomea var.

精子发育过程中生毛体和多层结构超微结构进行了研究。

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Ferns were the first terricolous vascular plants, and still comprise an important part of primary productivity of ecosystems.

植物最早登陆维管植物,至今仍然生态系统初级生产力重要组成部分。

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

在一些藻、苔藓植物和裸子植物配子体中存在由单个细胞形成结构。

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The Kizilsu palynofloras are characterized by the dominance of coniferae, abundance of schizaeaceous ferns and presence of primitive angiospermous pollen.

克孜勒苏群孢粉组合以松杉目优势、真蕨目海金沙科显赫和原始被子植物出现为特征。

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Indusium The flap of tissue, derived from the placenta, that encloses the developing sporangia in the sorus of a fern.

一种起源于胎座(应为叶表皮译者注)瓣片状组织,覆盖在蕨植物孢子囊群中正在发育孢子囊上。

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Here in the rainforest, the giant ohia lehua trees and hapuu ferns provide protective canopy to an amazingly diverse collection of plants and animals.

就在这片雨林中,高大ohia lehua树和那叫hapuu植物给丰富得令人惊奇动植物撑起了一把保护伞。

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Homosporous ferns produce sporophytes by intra gametophytic selfing, inter gametophytic mating, or apogamy.Gametangium ontogeny, genetic load, and ploidy affect the mating system of each species.

摘要同型孢子蕨孢子体可经由同配子体自交、异配子体交配两配育系统或以无配生殖式产生,异配子体交配又可分为异配子体自交和异配子体异交两种式。

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Characteristics: Terrestrial ferns; stipes tuft, backlish at base; young fronds pinnaye with wider pinnae, when getting older, the fronds become bipinnate or tripinnatifid with slender pinnules.

生,叶柄丛生,基部黑色;较年轻叶子一回羽状复叶,较老叶子二回或三回羽状复叶。

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包法利夫人(上)

Long ferns by the roadside caught in Emma's stirrup.

路边有些长长的羊齿草,老是缠住艾玛的脚镫。

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《卫报》(文章版)

Dillenius divided cryptogams into " fungi" and " musci" , excluding ferns and equisetums.

狄勒纽斯将隐花植物分为“真菌”和“藓类”,但不包括蕨类植物和木贼属植物。

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Crash Course 植物

Another type of seedless vascular plant is ferns, also known as monilophytes.

另一种无籽维管植物是蕨类植物,也被称为单生植物。

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地球全纪录

There are mosses and ferns everywhere, some at least a hundred feet tall.

放眼望去,尽是苔藓和蕨类,有些至少有30公尺高。

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Crash Course 植物

And some ferns hardly make leaves at all, like whisk ferns and horsetails.

有些蕨类植物几乎不长叶子,比如刺蕨和马尾草。

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地球脉动 第二季 (原版)

These particular ferns, figs and orchids live only on the branches of other trees.

这些蕨类、无花果和兰科植物只寄生在其他树木的树枝上。

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暮光之城:暮色

He held me for a moment, then carefully placed me on the springy ferns.

他搂着我,片刻之后,心地把我放到那片柔韧的蕨类植物上。

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Scishow 精选系列

So don't count on your poor desk fern to fix all of your indoor air problems.

所以不要指望你桌面那可怜的植物可以净化室内空气问题了。

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CNN 10 生英语 2018年5/6月合集

Over 160,000 varieties of orchids, ferns and other climbing plants have been planted in the trees.

超过16万种的兰花、蕨类植物和其他攀缘植物都已栽在树上。

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号的天鹅

One small tree grew on the island, and there were rocks and ferns and grasses.

岛上有棵树,还有岩石,蕨草和青草。

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英语6

How many ferns and lichens will grow on the north walls of a rocky slope!

北面的陡峭斜坡上有很多蕨类植物和地衣。

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妇人(双语原版)

Amy was sketching a group of ferns, and Jo was knitting as she read aloud.

艾米在对着一簇羊齿草写生,而乔则是一面朗诵一面打绒线。

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英语4

A little Elf was hiding in the fern.

一个精灵藏在蕨类植物里。

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万物简史

Horsetails and tree ferns grew to heights of fifty feet, club mosses to a hundred and thirty.

杉叶藻和桫椤长到l5米的高度,石松长到40米的高度。

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暮光之城:暮色

The way was mostly flat, and he held the damp ferns and webs of moss aside for me.

一路上几乎非常平坦,他为我把潮湿的蕨类植物和密布的苔藓拨到一边。

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暮光之城:暮色

It was unmarked, barely visible among the ferns.

这条路没有任何标记,在一片蕨类植物中隐约可见。

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自然百科

There was this picture of venus as a kind of primitive, steamy earth complete with giant tree ferns and dinosaurs.

金星上有一种原始、巨树蕨类和恐龙,及非常热的地球的感觉。

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侏罗纪搏击俱乐部

Because it was so heavily armored, it could only eat low vegetation, so ferns and cycad plants and low-lying shrubs.

因为它身披重甲,只能吃到较低的植物就是蕨类、苏铁类植物和低矮的树丛。

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夏洛的网

Fern came slowly down the stairs.

弗恩慢慢地一步一步下楼。

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原版语文第二册

So, day after day, Davy hunted the woods for the prettiest flowers, and the most dainty ferns and mosses.

于是,大卫每天都到森林里去寻找漂亮的花,以及最可口的蕨类和苔藓。

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