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Protonema (pl. protonemata) The young bryophyte gametophyte that develops following spore germination.

苔藓植物中直接由孢子萌发形成的结构称为原丝体。

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A control program might involve early preplant tillage to encourage germination of the weed seeds, followed by shallow tillage prior to planting to kill the emerged weeds.

这样,在耕办法促使杂草萌发,随后在播浅耕将其杀灭。

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Treatments had been carried out for germination of water dropwort, The results indicated that water dropwort seeds have a low germination percentage and dormancy characteristic.

摘要通过水芹子的萌发试验及水芹子进行多处理试验,结果表明:水芹子发芽率低,存在着休眠。

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Results showed that germination percentage of urediospore, uredium number and sporulation of challenge inoculation race were reduced after inoculation with weak virulent race.

试验结果表明,诱导接可以降低挑战接菌系的孢子萌发率、孢子堆数量、产孢量。

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The effects of different concentrations of arsenic on spore germination and rhizoid and prothallium growth of Pteris vittata under aseptic condition were studied.

研究无菌条件下不同浓度砷蜈蚣草的孢子萌发、假根和原叶体生长发育的影响。

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The result showed that exogenous GA3 promoted the seed germination of Salicornia Bigelovii Torr under salt stress.

外源GA3促进了盐胁迫条件下北美海蓬子子萌发.

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On germination, the zygospore undergoes meiosis to produce haploid cells that give rise to a new thallus.

萌发,接合孢子经历减数分裂形成单倍体细胞再产生新的植物体。

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剑桥雅全真试题 13

I thought we could look at seed germination — how a seed begins to grow.

我觉得我们可以考虑一下种子--种子是如何开始生长的。

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科普小杂文

It's also really great if you're mixing it into your seedlings, germination mixes, and production mixes, when we talk about potting soils, right?

说到盆栽土壤,如果你将其混合到幼混合物和生产混合物中,是不是也不错?

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我们星球的秘密

If you're a tree, seed dispersal and germination is a pretty risky business.

如果你是一棵树,你会明白把种子散播出去并生根是一件很具有风险的事情。

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剑桥雅全真试题 13

Did you read that book on seed germination on our reading list?

你读过我们书单里面的于种子的那本书吗?

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剑桥雅全真试题 13

I read an article about seed germination by Lee Hall.

我读了一篇Lee Hall写的于种子的文章。

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美国历史

The socialistic idea, introduced into national politics in 1892, had been long in germination.

1892年引入国家政治的社会主义想早已

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博兹曼科学——生物

And so let's start with seed germination.

让我们从种子开始讲起。

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托尔斯泰传

The days when I learned to know him are days that I shall never forget. It was in 1886. After some years of silent germination the marvellous flowers of Russian art began to blossom on the soil of France.

我认识他的日子是我永远不会忘记的日子。那是在 1886 年。经过几年的默默,俄罗斯艺术的奇妙花朵开始在法国的土地上绽放。

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经济学人 Science and technology

A number of experiments have confirmed this in recent years Plants bombarded with ultrasound in the lab have shown a range of adverse responses, including the expression of stress-related, genes, stunted, growth and reduced germination of seeds.

近年来, 一系列实验已经证实了这一点。 实验室中受到超声波轰炸的植物表现出了一系列不利反应,包括与压的基因表达、生长受阻和种子降低。

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BBC Gardeners’ World Magazine Podcast

But we all have to use peat-free compost now and even with that, germination rates are different and you need to do a lot more feeding of young seedlings than you would with a peat-based compost.

但现在我们都必须使用无泥炭的堆肥, 即便如此,率也不同, 你需要比使用泥炭基堆肥时更多地给幼施肥。

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VOA Special 2013年1月合集

Seed germination in sterile nutrients is now a common way to reproduce orchids. Mericloning also is a common modern method of reproducing orchids. The process calls for culturing from the merismatic tissue on a plant.

在无菌营养液中进行种子现在是繁殖兰花的一种常见方法。分株繁殖也是现代繁殖兰花的一种常见方法。该过程需要从植物的分生组织进行培养。

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经济学人 Science and technology

They raised 80 bean plants, infested 40 of them with aphids two weeks after germination, and then, three days later, tested samples of the hydroponic solution of each using a process called bioassay-guided fractionation.

他们种植了80株豆类植物, 在两周后让其中40株受到蚜虫侵害,然后在三天后, 使用一种称为生物测定指导分馏的过程检测了每株植物水培溶液的样本。

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塔中恋人(下)

Stifled as they were, they lay in him like seeds too deep for germination, which accident might some day bring near the surface and aerate into life.

尽管它们被窒息了,但它们像种子一样埋藏在他体内,太深而无法,有一天可能会因意外而浮出水面并

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Neil Sperry's Gardens

The pre-emergent weed killer granules, as a mouthful to say, but those products applied in the spring will prevent germination of the grass burrs.

这种预杂草杀手颗粒,虽然名字有点拗口, 但春季使用的产品能有效阻止草刺的

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动物逻辑学

As a result, groups of Welwitschia that sprouted from the same germination event over the millennia can be found clustered together.

因此,那些源自同一事件、历经千年的千岁兰幼群,往往能在同一地点被现,聚集生长。

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枪炮细菌与钢铁

Thus, farmers selected from among individual plants on the basis not only of perceptible qualities like size and taste, but also of invisible features like seed dispersal mechanisms, germination inhibition, and reproductive biology.

因此,农民不仅根据大小和味道等可感知的品质,而且根据种子传播机制、抑制和繁殖生物学等隐形特征来选择单个植物。

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苏菲的世界(原版)

But many historians now consider the Middle Ages to have been a-thousand-year period of germination and growth.

但许多历史学家现在认为中世纪是一千年的和成长时期。

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科学杂志:动物学

This helped predict germination benefits and dispersal distance for any pair of animals and plants, based on their traits.

这有助于预测任何一对动植物的效益和传播距离,根据它们的特征。

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文学百科 The Literature Book (Big Ideas Simply Explained)

Despite the brutality and desolation, Etienne retains his belief in the potential germination of a better society.

尽管面对残酷与荒凉,艾蒂安依然坚信一个更美好社会的种子有潜

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A Tale of Two Cities [Tantor]

Here is the seed, almost two decades in germination, for Doctor Manette and A Tale of Two Cities (and its preliminary title, Buried Alive).

这是《马内特医生》和《两座城市的故事》(以及它的初步标题《活埋》)的种子,已经了近二十年。

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