结果表明，随着草原兔尾鼠数量的下降，种群的年龄结构和繁殖结构都发生了明显的变化。
The result revealed that there was obviously changed in age structure and reproduction structure of L. lagurus with the decline of the population quantity.
但是他们不仅仅是缺少成功的技术，他们也将成为自己在个人电脑产业创立的“近亲繁殖”结构的牺牲品。
But not only do they lack the technology to succeed, they will also fall victim to the inbred structure they've created in the PC industry.
新的细胞也产生了所有具备干细胞特征的分子结构。 随着不断的繁殖，最终形成一个具备胚胎特征的三层组织。
The new cells also produced all the molecules known to be characteristic of stem cells and, when grown in bulk, organised themselves into three-layered structures characteristic of embryos.
这两种猫的整个骨结构都不同，经过繁殖数代后，疾病的影响会更加明显。
Their entire bone structure was different, and over the course of several generations the ill effects were much more noticeable.
和他们的细菌祖先不同，这些细胞具有特殊的结构，其中包括细胞核，和可以进行光合作用的触角。 他们还能进行有性繁殖，这大大的加快了进化的速度。
Unlike their bacterial ancestors, the cells had specialised structures including a nucleus, as well as machinery vital for photosynthesis.
水流不仅能影响水生植物群落结构和物种分布，还能影响其繁殖传播、新陈代谢过程和形态特征。
Water flow can affect structure of the community and species distribution, as well as the production, metabolic processes and morphological characteristics of macrophytes.
因此近年来对该属植物的分泌结构、具药理作用的化学成分、快速繁殖以及分子水平的研究越来越多。
And then there have been more and more researches about secretory structure, pharmacological compounds, and fast propagation of Hypericum l. on molecular level.
并通过对其生长、残存和繁殖等统计学参数的描述，揭示了种群结构和种群动态。
Population size structure and population dynamics were elucidated with some statistical parameters, such as growth, survival and reproduction etc.
种群的死亡过程和繁殖过程使种群平均密度有较明显的波动，但对种群总体水平无明显影响，种群结构也无明显变化。
The death and reproduction of the population make the mean density fluctuate but do not obviously change the overall level of population number and the population structure.
土壤酶活性的提高表明改良后的土壤结构、性能更适宜土壤微生物的繁殖和生长，土壤中的微生物量增加。
Increased soil enzyme activity means that the amended soil structure and properties were very beneficial to the reproduction and growth of soil microorganisms.
本文介绍了前列腺素内过氧化物合酶2基因的结构、表达、调控机理及其与繁殖性能的关系。
In this paper, we briefly introduced the structure, expression, regulation mechanism of prostaglandin-endoperoxide synthase 2 gene and the relationship between this gene and reproductive performance.
因此近年来对该属植物的分泌结构、具药理作用的化学成分、快速繁殖以及分子水平的研究越来越多。
And then there have been more and more researches about secretory structure, pharmacological compounds, and fast propagation of Hypericum l.
测定分析鱼类生殖力、产卵期、繁殖群体的年龄结构及产卵类型。
The spawning times, absolute fecundities, age structures of breeding population, and spawning types of fish were also studied.
当挑一只种母做繁殖的时候，繁殖者必须懂得种狗母亲的结构和生殖记录。
When selecting a stud dog for breeding, the breeder must study the structure and the reproductive record of the stud dog's dam.
报道了闽江口海域鳓鱼的生殖群体结构、生长特性、死亡参数和繁殖、摄食习性等生态学资料。
The structure of reproductive stock, the growth character the mortality parameter and breeding, feeding habits of Chinese herring in the estuary of Mingjang River are reported in this paper.
结果表明：CO2的增施可促进试管苗的生长，改善其光合生理结构并能大大提高繁殖速度。
The study shows that adding CO2 can promote the growth of shoot in vitro, improve photosynthetic structure and raise the propagation speed greatly of shoot in vitro.
通过对这两种结构的比较，说明犁鼻系统的结构差异与鼠类的生活环境和繁殖行为有关。
It is shown that the difference of the structure of vomeronasal system is related with environment and reproduction behavior in rodent.
对于荞麦，高密度下的产量损失可以归因于结构竞争的可塑性，而不是繁殖分配；
For buckwheat, the loss in yield at high density could be attributable to the plastic increase in competitive structures instead of allocation to reproduction.
尽管细菌繁殖很快，但是由于古生菌新陈代谢较慢，细胞结构截然不同，其数量需要历经几百年甚至几千年的时间才能翻倍。
But while bacteria reproduce rapidly, the Archaea population doubles over the course of hundreds, even thousands, of years thanks to a slower metabolism and distinct genetic structure.
对不同物种可塑性进行比较，发现荞麦的竞争结构表现出可塑性，另一方面，谷子倾向于在繁殖分配上表现出更大的可塑性。
When their plasticity patterns were compared, buckwheat displayed plasticity in competitive structures, millet on the other hand, preferred to display more plasticity in reproductive allocation.
利用光学显微镜观察营养器官及繁殖器官的结构；
Vegetative organs and reproductive organs were observed with a microscope.
牛属于子叶型胎盘，这种胎盘的结构特点和饲养管理的不当，常常导致奶牛胎衣不下发生，给乳牛业的生产繁殖带来极大损失。
The structure of placenta and unsuitable raising management often lead to retention of the afterbirth which it brings to the greatest loss of the reproduction of cow industry.
茎：植物体着生叶、芽和繁殖器官的纵向轴状结构。
Stem a longitudinal axis upon which are borne the leaves, buds, and reproductive organs of the plant.
作者介绍了褪黑激素受体1b的结构和功能，褪黑激素受体1b基因的克隆及基因结构、发育性表达与作用、定位与多态性，并讨论了该基因与繁殖季节性的关系。
This review introduced the structure and function of melatonin receptor 1b, the cloning and structure, developmental expression, mapping and polymorphism of melatonin receptor 1b gene.
一般来说，当一名繁殖者形容它的犬结构稳定，可能他的意思是指没有大的缺陷。
Generally speaking, when a breeder describes a sound specimen, he means a dog without a major fault.
芽库是由植物上所有芽组成的，用于植物的营养繁殖，对植物种群乃是群落的结构和动态起到重要作用。
Bud bank, formed by buds of a plant which are exploitable for vegetative regeneration, plays a fundamental role in local plant population even community structure and dynamics.
景观变化通过对卫星图像的分析来估计，繁殖参数则通过对与繁殖有关结构的超声图像来获得。
Landscape changes were assessed by analyzing satellite imagery and reproductive parameters were determined by ultrasound images of the reproductive structures.
所以，我把这只没有长毛基因的阿拉斯加与一只身体结构非常好的雌性长毛阿拉斯加进行了繁殖。
So I bred one of these non carriers to a beautifully structured female who was a long coat.
所以，我把这只没有长毛基因的阿拉斯加与一只身体结构非常好的雌性长毛阿拉斯加进行了繁殖。
So I bred one of these non carriers to a beautifully structured female who was a long coat.
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