One was the method of selective breeding.

一是选择的方法。

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

表示非洲植物学院将研究多作物。

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

它们也不会为了获得伴侣而争斗。

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

该濒危物只有靠全国划才能生存下来。

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。

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

子经过重新后，于去被送回斯瓦尔巴子库。

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。

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

在20世纪90代末，这稀有的品在者中来。

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，现代桃子不是选择性的结果。

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。

So far, selective breeding has kept up.

到目前为止，选择性还在继续。

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。

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。

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

在桥墩上进牡蛎之后，利用它们的凝固物可以将花岗岩胶合凝结起来。

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

在大学里他学习了农业，作为一位轻的教师，他始在作物领域做实验。

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。

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

达尔文的理论是选择性是自然界中自然发生的，因为选择是进化背后的引擎。

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

工作是一培新的水稻品的技术，有利于提高农艺性或水稻品质。

There's a lot of controversy around the breeding techniques breeders use to produce such tiny dogs.

关于者用来生产这小型犬的技术存在很多争议。

That led to the creation of three breeding centers.

这导致了三个中心的创建。