What is the best way to prevent mosquitoes from breeding in the pond outside the house?
预防蚊子在屋外池塘繁殖的最有效方法是什么？
This article briefly introduces the agriculture and the plant breeding in the Netherlands.
从一个侧面对荷兰的农业、植物育种行业进行了简单介绍。
This researsh can offer supportment to the further studying of Male Sterile carrot breeding in the future.
本试验的研究可为今后进一步开展雄性不育胡萝卜育种提供依据。
This paper summarized the main research progress of biotechnology on forage plants breeding in the past 20 years.
综述了近20年来生物技术在牧草育种中的主要研究进展。
The plant cell engineering technology will be a important supplementary means in rapeseed breeding in the future.
通过分析提出了在今后的油菜育种中，植物细胞工程技术将是一种重要的辅助育种手段。
Two biotechnology methods, molecular marker technology and gene transfer technology, are thought to be applied widely in poultry breeding in the future.
在当前家禽育种中应用最广的生物技术方法主要有两项：分子标记技术和基因转移技术。
It covers in this essay a brief introduction about how to have successfully controlled the epidemics of major sugarcane disease through breeding in the major sugarcane planting countries.
本文简要地介绍了世界主要植蔗国通过甘蔗抗病育种，成功地控制了蔗区重要病害流行的情况。
To look upon firmly in the eye is considered a sign of ill breeding and is felt to be annoying.
盯着别人的眼睛看被认为是没有教养的表现，会让人觉得厌烦。
Under these circumstances, archaeologist Andrew Smith believes, the small herds of Bos primigenius in the desert became smaller, more closely knit breeding units as the drought took hold.
考古学家安德鲁·史密斯认为，在这些情况下，随着干旱的持续，沙漠中较小的原牛群会变成更小、联系更加紧密的繁殖单位。
Flaws in the system have created a breeding ground for financial scandals.
制度中的漏洞给金融丑闻的滋生提供了土壤。
The majority of them may have to find new breeding grounds in the future.
它们中的大多数在未来可能不得不寻找新的繁殖地。
He collects the excrement from a panda breeding center in southern China.
他从中国南方的一个大熊猫繁殖中心收集其粪便。
The cells could be converted into germ cells for use in assisted breeding programmes to help diversify the gene pools of endangered species, she says.
细胞可以转换成用于协助繁殖项目的生殖细胞，以帮助增加濒危物种基因库里的品种。
As for the trout, Dr. Bradley says his fish have enough trouble breeding on their own for it to be unlikely that they would do well in the wild.
至于鳟鱼，布莱德利博士说，他的鱼在自行繁殖方面已经遇到了足够多的麻烦，因此它们不太可能在野外生存得很好。
But the foraging communities of the cultures in the region of the Don and Dnieper rivers took up stock breeding and began to exploit the neighboring steppes.
但是，顿河和第聂伯河流域的游牧部落开始从事家畜饲养，并开始开发邻近的大草原。
Only a handful of islands in the Southern Ocean are suitable for sustaining large breeding colonies.
南大洋中只有少数岛屿适合大型群落繁衍生存。
Now, the island is one of only a handful of lesser flamingo breeding colonies in the world.
目前该岛是世界上为数不多的小火烈鸟繁殖基地之一。
Such groups are the breeding grounds in which we acquire the norms and values that equip us for social life.
这种群体是我们的培养地，使我们获得社会生活必备的规范和价值，适应社会生活。
Perhaps we should all be breeding starlings in our back gardens now before the unthinkable happens.
在难以想象的事情发生之前，也许我们从现在起就应该在自己的后花园中繁殖惊鸟。
The study looked at breeding behaviour in an isolated population of song sparrows living in grasslands on the island of Mandarte, off the coast of Canada.
这一注视繁殖行为的研究在一个隔离的唱歌麻雀群中进行,这一麻雀群生活在远离加拿大海岸的蒙大特岛的草原上.
The break occurs on their spring flight from Mexico and the southern U.S. to breeding grounds in the far north.
春季来临，它们从墨西哥以及美国南部飞到遥远的北方地区进行繁殖，所以只作短暂停留。
Taiaroa Head - the only mainland albatross breeding colony in the world - has recorded only two previous instances of females setting up a nest together in the past 70 years.
泰瓦罗瓦角是世界上唯一一处信天翁大陆繁殖基地，据称，在过去的70年里该地仅发生过两起雌鸟共同筑巢的先例。
We can see its family tree - and its daddy was a virus that evolved in the artificial breeding ground of a vast factory farm in North Carolina.
我们能看到这个病毒的谱系，它的上代病毒是北卡罗莱纳州一个大型集约化动物农场的人工繁殖基地中演化出来的一个病毒。
Emperor penguins' amazing journey to breeding grounds deep in the Antarctic and their ability to survive the brutal winter there were captured in the 2005 documentary March of the penguins.
帝企鹅的惊人冒险引起了在南极深处地方的人的注意，他们能在寒冬下生存。曾在2005年的纪录片帝企鹅日记中被捕捉下来。
"It's the visuals," says Nick Anthony, a professor of poultry breeding and genetics at the University of Arkansas in Fayetteville.
“是视觉上的”，尼克·安东尼说道，一位费耶特维尔阿肯色州立大学的家禽繁殖与基因教授。
Of the everyday items in your house, one of the most fertile breeding grounds for bacteria is a man's wallet.
在你家里的所有日常用品中，最适宜细菌滋生的用品之一就是男人的钱夹。
Researchers have focused on how warming trends in temperate breeding areas disrupt the sensitive ecology of migratory birds.
此前，已有调查人员把重点放在了“暖动向”在影响温带繁殖区怎样影响候鸟敏感生境的。
Researchers have focused on how warming trends in temperate breeding areas disrupt the sensitive ecology of migratory birds.
此前，已有调查人员把重点放在了“暖动向”在影响温带繁殖区怎样影响候鸟敏感生境的。
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