objective propoxur-susceptible musca domestica strains were established through reverse selective breeding in the laboratory setting.

目的通过室内反选育，获得家蝇对残杀威敏感品系。

improved quality of soybean seed with the help of selective breeding of mottling-resistant variety …

用选育抗褐斑粒的品种来提高大豆品质是可行的。

some divergence may be attributable solely to natural selection of landrace traits, other differences may be attributable to selective breeding .

一些分歧可能是纯粹的地方品种特征 的自然选择，其他方面的差异可能是由于选择性育种。

although today「s wool-bearing sheep have thick, heavy coats, it is the result of selective breeding over thousands of years.

虽说现在的产毛羊有厚重的毛，它可是几千年来选育的结果。

they are the product of generations of selective breeding and hybridisation.

它们是一代又一代选择性繁殖和杂交的产物。

the present results suggested that there was a close connection between shell color and traits in the noble scallop, which provided a theoretical basis for selective breeding of this species.

很明显，华贵栉孔扇贝的壳色与其生长、存活有密切的联系，这为其选择育种提供了理论依据。

pushed to the brink of survival, the kaminoans perfected cloning technology and practiced selective breeding to keep their species viable.

被逼到赶尽杀绝边缘的卡米诺人完善克隆技术，实行选择育种，从而保证种族的繁衍。

obviously, the multiresistance variety selective breeding is one of chinese cucumber breeding essential targets;

可见，多抗性品种选育是中国黄瓜育种的主要目标之一；

improved quality of soybean seed with the help of selective breeding of mottling-resist…

用选育抗褐斑粒的品种来提高大豆品质是可行的。

according to consumer」s need but selective breeding plc intelligent control, touch screen operation, set up development display together.

根据用户的需要可选配plc智能控制，触摸屏操作，并设动态显示。

the aim is to lay a theoretical foundation for the selective breeding of new poplar species and harmless control of poplar clearwing moth in the future.

本文对未来杨树新品种选育及白杨透翅蛾的无公害防治提供了一定的理论基础。

one team has accelerated selective breeding of the wormwood plant.

一个研究组加快了黄花蒿选择性培育的速度。

marge the cow and her daughters produce low-fat milk naturally. so will selective breeding eventually produce a whole herd of low-fat milkers? (image: istockphoto)

奶牛马奇及其后代可以产出天然的低脂牛奶。因此最终我们可以有选择的育种整个产低脂牛奶的奶牛吗？

thousands of years of selective breeding have produced extensive genetic changes in the plants and animals we eat, not all of them good.

数千年的选择性培育已经造成了食用植物和动物广泛的基因改变，并非所有的改变都是好的。

by the experiment of genetics stability, it showed that genetic variation of the strain had already taken place. it was the highest strain of the tylosin of selective breeding after space mutagenesis.

结合菌株传代稳定性试验，说明该菌株已发生了遗传性变异，是经太空诱变后所选育的泰乐菌素高产菌株。

this article introduced the study on selective breeding and fermentation process of bacteria at home and abroad in recent years.

本文介绍了近年来国内外在细菌菌种选育、发酵工艺技术等方面的研究现状。

to help improve yields, toyota tsusho in june acquired a stake injoil(s) pte, a singapore-based company specializing in tissue culturesand selective breeding of the plant.

为了提高产量，丰田通商在6月份收购了一家名为joil的新加坡公司的股份。 该公司主要业务是对麻风树进行选择育种和组织培育。

these results suggested that the natural gynogenetic crucian carp consists of some gynogenetically different clones, and this is very important for the selective breeding of the crucian carp.

这些结果表明，天然雌核发育的银鲫种内含有若干个不同的雌核发育系，这对于开展银鲫的选育研究具有重要的实践意义。

over the centuries selective breeding has pulled at the canine body shape to produce what is often a grotesque distortion of the underlying wolf.

经过几个世纪的选择性育种，狗已经产生与狼一样 奇异的变形了。