Things such as nostril size vary with temperature and humidity in ways that suggest evolution is at work.
鼻孔大小等因素随着温度和湿度的变化而变化,这种事表明进化在起作用。
NASA's Galaxy Evolution Explorer found evidence that black holes — once they grow to a critical size — stifle the formation of new stars in elliptical galaxies.
太空总署的星系演变探测者发现了黑洞存在的证据:一旦其达到一个临界规模,椭圆形星系中的新星形成便会被扼杀。
The size of the community centered around the evolution of the Flex SDK continues to grow at this same rapid rate.
社区规模围绕着FlexSDK的演化继续以该速度增长。
The evolution of the global impact of the net effective supply of low-skilled labour capable of producing manufactures has been affected by the demographic size of the "flying geese".
只懂得流水线操作的低技能劳动力,他们的净有效供应对世界的冲击已经受到了“雁行模式”人口规模的影响。
Basin spatial structure evolution is affected by factors of rank of riverway, geometric centrality of cities, and size of hinterland.
流域空间结构演化主要受航道等级、城市居中性以及腹地大小的影响。
The microstructure evolution models were implemented into the finite-element code, which allowed the prediction of distributions of grain size in the volume of the forging.
有限元分析方法通过应用微观结构演变的编码实现了预测、仿真锻造过程中晶粒的演变过程。
A co evolution algorithm used to solve topology and size optimization of trusses is proposed.
针对桁架拓扑优化问题提出桁架拓扑和尺寸优化的协同演化算法。
The effect of the microcracks size on damage evolution was investigated to overcome the limitations of damage models based only on defect density.
针对以缺陷密度为参量的细观损伤演化模型的局限性,着重研究了微裂纹尺寸对损伤演化的影响。
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。
From Semiotic dynamics, we find naming game model is related with the size of network and the time of evolution.
从符号动力学角度观察,我们可以看到命名博弈与系统大小,演化时间有着十分密切的关系。
The problem of dynamic evolution of self and nonself are solved which reduces the size of self universe effectively.
给出了自体、非自体的动态演化模型,解决的自体、非自体的动态描述问题,有效地降低了自体集合的大小。
Phytoplasma is similar to mycoplasma and spiroplasma in size, structure and genetic evolution.
在菌体大小、结构以及遗传进化上与菌原体、螺原体十分相似。
A lot more study needs to be done on the relative importance of these factors, but clearly resource limitation is a key factor in the evolution of size.
关于这些因素的重要性还需要进一步地研究,但是目前很清晰的是在动物体型的进化上,资源限制是一个关键的因素。
Genetic variation's size and community's genetic structure are closely related with a species' evolution potential and resistance poor surroundings' ability.
遗传变异的大小及群体遗传结构与一个物种的进化潜力和抵御不良环境的能力密切相关。
This paper discusses the age and size at maturity in evolution.
在生活史理论中,成熟年龄和大小的进化研究占有很重要的地位。
This evolution shows a size effect of the subunits on the structure and the bond for the molecular cluster anions.
从键的整体演化过程可以看出,子体系的尺寸效应对这类团簇负离子的结构和成键有很大影响。
Pathogenic fungi are common in natural plant populations, which exert impacts of the size, structure, dynamics, genetics and evolution of host plant populations.
病原菌在自然植物种群中普遍存在,其对寄主植物的生长发育,对寄主植物种群的大小、结构、动态、遗传和进化等都有重要影响。
The main purpose of this research is to study the regional differences and dynamic evolution of the size combination and spatial structure of the Changjiang River port system in Anhui Province.
并运用多元回归分析方法探讨了该港口体系规模组合与空间结构地域差异的成因机制;
Dunbar is an anthropologist at the University College of London, who wrote a paper on Co-Evolution of Neocortex size, Group size And Language In Humans where he hypothesizes.
邓巴是一位伦敦大学人类学家,他在一篇论文《大脑皮层容量共进化,群体规模和人类语言》提出了假设。
The result also show that evolvement process of the phaseregion size has the self-similarity and the fractal dimension can be a good means to study the evolution law of phase dispersion dynamics.
共混过程中的相区尺寸的演变过程具有自相似性,通过求取分形维数,从数量意义上,分析研究相分散动力学过程机理。
The fruit growth evolution on 35 tagged 'Fuji' apple trees was observed in three successive growing seasons from 1994 to 1996 to exploit a new method for forecasting the fruit size in early stage.
连续3个生长季跟踪观测了35株成年红富士苹果树的果实生长发育状况,以早期预测采收时果实大小为目标进行相关分析。
The results showed that the evolution process was as follows: lamellar, acicular, near sphere and sphere. The particle size decreased firstly and increased in later process.
结果表明,粉末颗粒形貌发生板条状→针尖状→近球状→球状变化,粉末粒度则先变小而后有所增大。
The results showed that the evolution process was as follows: lamellar, acicular, near sphere and sphere. The particle size decreased firstly and increased in later process.
结果表明,粉末颗粒形貌发生板条状→针尖状→近球状→球状变化,粉末粒度则先变小而后有所增大。
应用推荐