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Antherozoid (spermatozoid) The male gamete of algae, some gymnosperms, and the non-seed-bearing plants.

,某些植物和没有形成的植物中的雄性配

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Areography of the gymnosperms of China (1): Distribution of the Pinaceae of China.

中国植物分布区的研究(1)——科植物的地理分布.

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The carpel is homologous with the megasporophylls of certain spore-bearing vascular plants (pteridophytes) and the ovuliferous scales of gymnosperms.

心皮和能产生孢的维管植物(羊齿有具胚珠的植物的大孢叶是同源的。

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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、苔藓植物和植物体中存在的由单个细胞形成的似根的结构。

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Bract scale The structure found in large numbers in the female cone of gymnosperms, each bearing an ovuliferous scale in its axil.

植物的雌球果中大量存在的结构,每个苞鳞都包含一个珠鳞。

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VOA慢速英语_科技

Gymnosperms usually depend upon the wind for pollination.

裸子植通常依靠

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VOA慢速英语_科技

Baker said angiosperms are more successful at reproducing than gymnosperms.

贝克说,被子植裸子植在繁殖方面更成功。

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VOA慢速英语_科技

Gymnosperms and angiosperms both have seeds.

裸子植和被子植都有种子。

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VOA慢速英语_科技

Their closest relatives are the gymnosperms, a group that came before them on Earth.

它们近亲是裸子植,这是一个在地球上先于它们群体。

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科拉诺斯动画科普

As gymnosperms declined, angiosperms or flowering plants filled the niches  they left behind.

随着裸子植衰落,被子植或开花植填补了它们留下态位。

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PBS Eons | fauna&flora

They spread into many ecological niches and replaced the gymnosperms.

它们散到许多态位并 取代了裸子植

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PBS Eons | fauna&flora

But, for most of the history of land plants, gymnosperms were dominant.

但是,在陆地植大部分历史中, 裸子植占主导地位。

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PBS Eons | fauna&flora

So, why was this butterfly-lookalike visiting a gymnosperm 165 million years ago?

那么,为什么这只长得像蝴蝶人会 在 1.65 亿年前造访裸子植呢?

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PBS Eons | fauna&flora

But the gymnosperms haven’t been totally abandoned by their pollinators.

裸子植并没有 被它们者完全抛弃。

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PBS地球-动趣闻

Like the scorpionflies and lacewings, these true flies were thriving on the reproductive structures of gymnosperms, not angiosperms.

像蝎子蝇和草蛉一样,这些真正苍蝇在裸子植而非被子植殖结构上繁衍息。

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科拉诺斯动画科普

During the Cretaceous Period, many common plants  were gymnosperms or seed-producing plants, like early conifers.

在白垩纪时期, 许多常见裸子植或产种子,如早期针叶树。

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PBS Eons | fauna&flora

The sweet pollen drops of some modern gymnosperms still attract pollinating flies and moths.

一些现代裸子植甜花滴 仍然吸引苍蝇和飞蛾。

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PBS地球-动趣闻

Analysis of the pollen showed that it was mostly from a mix of gymnosperm plants, including cycads and ginkgos.

对花分析表明, 它主要来自裸子植混合,包括苏铁和银杏。

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科拉诺斯动画科普

Like angiosperms replaced gymnosperms, non-avian dinosaurs were largely succeeded by  new kinds of mammals, which began to dominate terrestrial ecosystems.

就像被子植取代裸子植一样,非鸟类恐龙在很大程度上被新型哺乳动所取代,并开始主宰陆地态系统。

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开启地球探索之旅

Known technically as gymnosperms, they have needle-like leaves which are almost always evergreen and reproduce through exposed seeds nestled within cones.

它们在技术上被称为裸子植, 有针状叶子, 几乎总是常绿,并通过球果内暴露种子进行繁殖。

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PBS地球-动趣闻

The pollen it picked up was from a gymnosperm – the group that includes pines, cycads, and ginkgoes.

它采集来自裸子植——包括松树、苏铁和银杏在内群。

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PBS地球-动趣闻

As the angiosperms got their foothold and attracted crossover pollinators like beetles, some pollinators still remained loyal to the gymnosperms.

当被子植站稳脚跟并吸引甲虫等交叉传者时,一些传者仍然忠于裸子植

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科拉诺斯动画科普

For millions of years, gymnosperms  grew in vast prehistoric forests and murky swamps, forming dense yet open ecosystems where reptiles  and amphibians thrived.

数百万年来, 裸子植长在广阔史前森林和浑浊沼泽中,形成密集而开放态系统, 爬行动和两栖动在这里繁衍息。

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PBS地球-动趣闻

A single individual was found fossilized in 105 million-year-old amber from northern Spain with gymnosperm pollen dusted on its mouthparts, legs, and back.

在来自西班牙北部 1.05 亿年前琥珀中发现了一个个体化石,其口器、腿和背部上撒满了裸子植

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PBS地球-动趣闻

It was actually something between  a fern and a group of woody plants that exists today called gymnosperms, which includes conifers and gingkos.

它实际上介于蕨类植和今天存在称为裸子植一组木本植之间,其中包括针叶树和银杏。

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concubinary, concubine, concupiscence, concupiscent, concupiscible, concur, concurrence, concurrency, concurrent, concurrently,

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3G, 401(K), a,
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