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Apospory is found in some mosses and ferns.

无孢子在于一些苔藓和蕨类植物中。

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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.

摘要同型孢子蕨类的孢子体可经由同配子体自交、异配子体交配两类配育系统或以无配式产,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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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,高大的ohia lehua树和那叫hapuu的蕨类植物给丰富惊奇的动植物撑起了一把保护伞。

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

是一种起源于胎座(应为叶表皮译者注)的瓣片状组织,覆盖在蕨类植物孢子囊群中正在发育的孢子囊上。

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

蕨类植物是最早登陆的维管植物,至今仍然是态系统初级产力的重要组成部分。

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

在许多蕨类植物中常见的无融合包括无配子和无孢子

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CNN 10 学生英语 2017年11月合集

This doesn't involve people fighting people, but people fighting giant salvinia, a fern from Brazil that's causing a lot of problems in other parts of the world.

这不是人与人之间的战争,而且人与巨型槐叶萍之间的战争,这蕨类植物产于巴西,在世界上很多地方造成了很多问题。

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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.

金星上有始、巨树蕨类和恐龙,及非常热的地球的感觉。

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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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CNN 10 学生英语 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16万的兰花、蕨类植物和其他攀缘植物都已栽在树上。

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美语情景对话

I mean, you just need to go out and look, and there's so many possibilities to have fun: making tree houses, making dens out of the woodland ferns and things like that, going on searches for frogs.

去外面看看你就会现,有很多可以玩的:建造树屋,用森林里的蕨类搭个小房子,找青蛙。

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美国小学英语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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《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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地球 二季 (声版)

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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Crash Course 植物学篇

And the ferns, and the mosses, and the palms and the sedges.

还有蕨类植物,苔藓,棕榈树和莎草。

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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,小心地把我放到那片柔韧的蕨类植物上。

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维多利亚厨房

Now, of course, this is a much smaller table than in the dining room, so you have to imagine there will be flowers and a fern in the centre.

当然,这张桌子比餐厅那张小得多,所以你要想象中间摆放着花和蕨类植物。

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美国国家公园

Because of the amount of rain, many different types of plants grow in the Hoh rainforest, from mosses and ferns to huge Sitka spruce trees.

由于降雨量的因,许多不同类型的植物生长在可可雨林中,从苔藓和蕨类植物到巨大的锡特卡云杉树。

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凯斯宾王子

Through a gap in the bracken and branches she could just see a patch of water in the Creek and the sky above it.

透过蕨类和树枝的空隙,她刚好看见河里的道清水和它上方的天空。

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白鲸记

All the trees, with all their laden branches; all the shrubs, and ferns, and grasses; the message-carrying air; all these unceasingly were active.

所有的树,连同它们所有果实累累的枝条;所有的灌木、蕨类和青草;传递信息的风;这切都在不断地活跃着。

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VOA慢速英语_生活

At the time, the only plants growing in the garden were a rhododendron bush, a few daffodil flowers, and some ferns.

当时,花园里唯的植物是杜鹃花、几朵水仙花和蕨类植物。

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VOA慢速英语_世界

The creature's stomach had leaves from a kind of fern, as well as very few leaves of different kinds of evergreens.

它的胃里有蕨类植物的叶子以及少数不同常绿植物的叶子。

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机器停止运转

My one aim now was to get to the top, where the ferns were, and to view whatever objects lay beyond.

这时,我的唯目的就是爬上洼地的顶上去,那里就是蕨类植物所在的地方,我要瞭望下在远处都有些什么东西。

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美国版语文二册

Here are lovely blue violets, down by the brook are white ones, and among the rocks are ferns and mosses.

“这里有些可爱的蓝色紫罗兰,小溪边有些白色的,这些石头中还有些蕨类和苔藓。

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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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美国小学英语4

A little Elf was hiding in the fern.

个小精灵藏在蕨类植物里。

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