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Technique of mutation breeding in gladiola was studied by meansof electron beam.

用电子束辐射唐菖蒲球,研究唐菖蒲的诱

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APPLICATION: Suitable for sterilization, photoengraving, water treatment, mediccal treatment and breeding.

适用于杀菌、光刻、水处理、医疗、等领域。

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Abstract: Technique of mutation breeding in gladiola was studied by means of electron beam.

摘 要: 用电子束辐射唐菖蒲球,研究唐菖蒲的诱

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By these we obtained many dihaploid flax seeds.The significance of flax apomixis and its value to flax breeding were discussed.

本文阐述了双胚亚麻无融生殖的意义和在中的利用价值。

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Homogenous lines can be obtained in a very short time by haploidy breeding method such as microspore culture and anther culture.

摘要通过单倍体途径可快速获得纯材料,增加有益性状的选择几率,加快

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It undrew the prelude of transgenic breeding that the company of Monsanto Company obtained the first transgenic tobacco plant which had resistance to tobacco virus by transgenic technique in 1986.

1986国孟山都公司利用转基因技术获得了第一株抗病毒病的转基因烟草植株,拉开了转基因的序幕。

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The various genes of increasing sweet taste and gene wx can be expressed on the same ear, and the aim has been realized breeding the corn hybrids with sweet and waxy flavous fresh ears.

该方法利用遗传学原理使各不同基因型的甜与糯的籽粒能在同一果穗上得以同时表达,因而实现了培既甜又糯的鲜食甜糯玉米的目标。

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VOA慢速英语_科技

One was the method of selective breeding.

是选的方法。

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韩刚B2A“译点通”:听力笔记快速上手宝典

He said the African Plant Breeding Academy will work on many different kinds of plants.

表示非洲植物院将研究多作物。

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60秒-科美国人 2022年3月合集

And they also don't fight to access breeding partners.

它们也不会为了获得伴侣而争斗。

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AP 听力 2015年8月合集

The endangered species wouldn't exist without nationwide breeding program.

该濒危物只有靠全国计划才能生存下来。

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历年四级听力真题精听

The clone has already performed better than traditionally bred dogs on several tests.

在几项测试中,克隆犬的表现已经优于传统犬。

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纽约时报 (New York Times)

Plant breeders are working on seeds to withstand high temperatures or salty soils.

植物者正在研究耐高温、适应盐碱地的子。

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VOA Special 2018年2月合集

The seeds were re-grown and returned to the Svalbard vault last year.

子经过重新后,于去年被送回斯瓦尔巴子库。

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VOA Special 2022年1月合集

Some animal rights supporters dislike dog breeding and the market for purebreds.

一些动物权利支持者不喜欢狗的和纯狗的市场。

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历年英语四级听力真题(含译文)

The unusual cross became popular among breeders at the end of the 1990s.

在20世纪90年代末,这稀有的品者中流行开来。

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中高级英语短文

Unlike much produce sold in the supermarket, modern peaches aren't the result of selective breeding.

与超市出售的许多产品不同,现代桃子不是选的结果。

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经济人(汇总)

Upgrades suitably developed, the question will be how to get them into the wider world.

如果过程完成升级,那么问题将是如何让它们进入更广阔的世界。

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经济人(汇总)

So far, selective breeding has kept up.

到目前为止,选还在继续。

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6 Minute English 六分钟英语

Jamie says Kalettes were the result of blue-sky breeding.

杰米说Kalette是天马行空的结果。

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经济人(汇总)

Knowing exactly which genes are involved means the process of breeding in those improvements can be done quickly.

确切地知道哪些基因参与其中意味着可以很快完成这些改进的过程。

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NPR音讯 2013年12月合集

Breeders are also working to create hybrid Christmas trees from the Fraser fir and the Turkish fir.

工作者正致力于培弗雷泽冷杉树和土耳其冷杉树的杂交品

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美丽中国

Oysters were seeded on the piers and ever since, their concretions have helped cement the granite blocks together.

在桥墩上进行牡蛎之后,利用它们的凝固物可以将花岗岩胶合凝结起来。

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外研社新标准高中英语必修第4册

He studied agriculture in college, and as a young teacher he began experiments in crop breeding.

在大里他习了农业,作为一位年轻的教师,他开始在作物领域做实验。

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60秒-科美国人 2019年2月合集

Van Deynze says early plant breeders may have inadvertently got rid of corn's nitrogen-fixing proficiency long ago.

范·德恩兹表示,早期植物家可能很早之前就在无意中去除了玉米的固氮能力。

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托福阅读备考指南

Darwin's theory is that selective breeding occurs in nature, as natural selection is the engine behind evolution.

达尔文的理论是选是自然界中自然发生的,因为选是进化背后的引擎。

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美食家基地

Breeding work is a technique to develop new rice varieties, favourable to the increase of agronomical or qualitative grain.

工作是一新的水稻品的技术,有利于提高农艺或水稻品质。

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