Taking adaptability as the premise in the formation of species phenotype, it studies the age and size at maturity in evolution, gives them quantitative and qualitative analysis.
以适应性是形成物种表型性状为前提，探讨物种成熟年龄和大小的进化问题，进行定性和定量分析，并对该领域一些卓有成效的研究成果给予总结。
Given the extraordinary diversity of life on the planet, there must be mechanisms for speciation: the formation of two species from one original species.
考虑到地球上的生命的非凡多样性，一定存在着形成物种的机制：从一个原始物种演变为两个物种。
In most localities a given species of clam or coral persists essentially unchanged throughout a thick formation of rock, only to be replaced suddenly by a new and different species.
在大多数地方，某一种蛤蜊或珊瑚在厚厚的岩层中保持基本不变，只是突然被一个新的不同的物种所取代。
The formation of cancers is really the evolution of a new parasitic species.
癌症的形成过程就是一种新的寄生物种的进化过程。
Over enough time, this differential transmission of characters will lead to the formation of a new species.
经过足够长的时间后，这些特质的微小传递最终将导致新物种的产生。
The result of this would be the formation of new species.
这样的结果就将导致新物种的产生。
Because a study in the October 2nd issue of Nature suggests that how fishes see one another can drive the formation of new species.
10月2日出版的《自然》杂志中的一项研究表明，鱼儿之间的看法能促使新物种形成。
The marks and tracks found in the rocks of the Haman formation are from two different species of birds, or perhaps a single species working at two different speeds.
这些在哈曼组的岩石中发现的印记和足迹来自两种不同的鸟类，或可能是来自啄食速度不同的同一类鸟。
The idea of point defense goes back to before most species even had the ability to orbit their planets, much less the formation of a galaxy spanning civilization.
点防御理念可以追溯到很久以前，那时大多数种族甚至还不具备环行星轨道飞行的能力，更不必说建立银河文明了。
The result of this would be the formation of a new species.
由此而产生的结果是新品种的形成。
The firstly discovered dinoflagellates (including 6 species in 6 genera) from the Qum Formation of the Kashan block in Iran are reported briefly in this paper.
文章简要报道了伊朗卡尚地区库姆组首次发现的沟鞭藻类，计6属6种。
In the former one, the formation of high molecular weight aromatic species in premixed flames are explored by a detailed chemical kinetic mechanism.
在气体火焰的碳黑生成模型中，运用化学动力学来诠释在层流预混火焰中大分子芳香族烃的形成。
By means of systematic sample along the Guanjiagou Formation section in Wenxian County, Gansu Province, many Micropalaeoflora fossils are collected, and identified as 16 genera and 28 species.
通过对甘肃省文县关家沟组剖面的系统采样，获得大量微古植物化石，鉴定出16个属28个种。
The decay class distribution of gap-makers indicated that the mode of gap formation and gap-maker species changed with age of the forest;
林隙形成木的腐烂等级分布揭示出林隙形成木的形成方式和种类组成均随时间变化。
Quaternary Glacier played very important role in formation of mountain genera and species, endemic genera and species in southern China.
第四纪冰川对我国南部高山昆虫属、种及特有种的形成起到了重要的作用。
Depletion of this small molecule is a common consequence of increased formation of reactive oxygen species during increased cellular activities.
细胞活性增加时活性氧物种生成增多经常导致这种小分子的损耗。
There are hundreds of thousands of different microbes living inside a formation but certain species are associated with hydrocarbons tend to stand out.
地层中生活着成千上万种微生物，但是只有一些特定的微生物种群与碳氢化合物保持着密切的关系。
Based on the study of sporopollen fossils from the coal-bearing formation of the late Palaeozoic Era in Tangyang mine field of Jining, 71 genera and 177 species of sporopollen are identified.
通过对济宁唐阳井煤田晚古生代含煤岩系中的孢粉化石的研究，共鉴定出孢粉化石71属177种。
The result showed that EOX formation is closely related with pulp species, while has little relation with pulp's kappa number. Hence the formation of EOX differs greatly with AOX.
结果表明，EOX的生成与浆种关系密切，而与纸浆的卡伯值关系不大，这与AOX的生成有很大的差别。
The result shows that EOX formation is closely related with pulp species, while has little relation with pulp 's Kappa number. Hence the formation of EOX differs greatly with AOX.
结果表明，EOX的生成与浆种关系密切，而与纸浆的卡伯值关系不大，这与AOX的生成有很大的差别。
UVB irradiation can induce the formation of reactive oxygen species (ROS), and induce the change of cell biology, gene mutation, carcinogenesis and cell death.
UVB辐射可诱导机体产生活性氧自由基，从而引起细胞生物学改变，导致基因突变、致癌和细胞死亡。
UVB irradiation can induce the formation of reactive oxygen species (ROS), and induce the change of cell biology, gene mutation, carcinogenesis and cell death.
UVB辐射可诱导机体产生活性氧自由基，从而引起细胞生物学改变，导致基因突变、致癌和细胞死亡。
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