There is potential for selective breeding for better yields.
以优产为目的的精选养殖是有潜力的。
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。
For thousands of years humans have changed the sizes, shapes, colors, and coats of dogs through selective breeding.
上千年来人类一直在通过选择性杂交繁育来改变狗类的大小、体型、颜色和皮毛。
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。
The single grain selection is better for the preharvest sprouting rate in the selective breeding application.
在选择育种中，田间穗上发芽率以单粒选为好。
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；
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。
The high-yield and high-quality in erect panicle type Japonica line could be selected by anther culture or group selective breeding.
通过花培和组群筛选法均能较快地获得直穗型高产优质粳稻品系。
It is a basic work for the application of marker-assisted selection and cloning of anti-disease gene in Japanese flounder selective breeding program.
这些抗病性候选标记的获得为实现牙鲆分子标记辅助育种和抗病基因克隆奠定了一定基础。
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。
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。
The study about the pathogenicity of pathogen and the immune response mechanism of clam will provide theory and methodology for resistance selective breeding of mollusks.
从病原致病机理和宿主免疫防御机制等方面开展系统研究，能够为贝类抗性选育提供理论基础和科学方法。
Although the number of bones is roughly the same in all breeds, there is considerable variation in the size and shape of individual bones, as the result of selective breeding.
尽管大致上所有品种都拥有相同数量的骨头，但因选择性育种的缘故，狗狗骨头的大小和形状也会有相当大的差别。
Wild tomatoes, for instance, are very small and round, but through selective breeding we now have cultivated tomatoes that may be pear-shaped, egg-shaped, or even donut-shaped.
举个例子，野生番茄非常小且圆，但是通过选择育种，我们现在培育出的番茄可以有梨型、鸡蛋型，甚至炸面圈形状的。
Past experiments have demonstrated that it is relatively easy through selective breeding to make rats, honey bees and—that great favourite of researchers—fruit flies a lot better at learning.
过去的实验告诉我们通过选择性的繁殖促使生成后代具有更好的学习能力是比较容易的，比如大鼠，蜜蜂，以及研究者钟爱的果蝇。
The artificial heart is human-made - as are, it should be noted, most of our major food crops, if you count hybridization and selective breeding as being the work of humans, which they are.
而且还有一点值得注意的是，如果杂交和选择育种也算是人工劳作，那么我们大多数食物作物亦是人造的，的确如此。
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。
Selective breeding may result in a greyhound running faster and seeing better than a wolf.
选择育种可能会培育出一种比狼跑得更快、视力更好的灵缇。
Selective breeding over time created these wide variations, but the process depended on nature to produce the desired gene.
长时间选择性的培育创造了这些广泛的变种，但是这个过程还是要依赖大自然来产生出所需的基因。
Selective breeding over time created these wide variations, but the process depended on nature to produce the desired gene.
长时间选择性的培育创造了这些广泛的变种，但是这个过程还是要依赖大自然来产生出所需的基因。
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