The evidence suggests that warblers use their extremely elaborate songs primarily to attract females, clearly confirming the effect of intersexual selection on the evolution of birdsong.
证据表明，莺主要用它们极其精致的歌声吸引雌性，这清楚地证实了雌雄间选择对鸟类鸣叫进化的影响。
"[one] effect of lower testosterone levels is loss of muscle mass and increases in fat mass," Prof Bribiescas writes in his book How Men Age: What Evolution Reveals About Male Health and Mortality.
“睾酮水平降低的影响之一就是肌肉含量减少、脂肪含量增加，”布比斯·卡斯博士在《男性的衰老之旅：进化所揭示的关于男性健康和死亡的真相》一书中写道。
Each tone will have the effect of clearing the distortion one is currently working upon within one's given level of evolution.
每个音调都将具备清除你在当前进化水平中正在处理之扭曲的效果。
The first part reviews the historical evolution of estate duty, and then discusses the effect of levying estate duty from economical and legal point of view.
第一章首先对遗产税的历史沿革进行考察，然后分别从经济和法律的角度，探讨开征遗产税的作用。
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。
The matrix damage evolution behavior and the effect of matrix micro-cracks on the dynamic characteristics of composite stiffened delaminated plates are studied.
研究了在简谐激励作用下复合材料加筋板基体微裂纹损伤的演化行为及其对加筋板动力特性的影响。
The effect of artificial selection and natural selection on the origin and evolution of the characters was also discussed.
对人为选择和自然选择在部分性状的起源与演化中的作用进行了探讨。
By computing the spatial correlation function, the evolution plots of velocity, the relaxation time and the order parameter, the effect of top-priority of randomization on traffic flow is studied.
通过位置相关函数、速度时空演化图、驰豫时间和序参量的计算，研究优先随机慢化对交通流的影响。
The effect of damage evolution on mechanical properties of PMMA is studied by using a macro-description method combined with a mesoscale investigation.
本文采用宏观和细观相结合的方法，研究材料在破坏之前的缺陷演化对材料力学性能的影响。
This paper analyzes the formation and characters of dislocation patterns, and the effect of strain on the dislocation pattern evolution.
本文分析了位错胞的形成、特性及其变形程度对位错组态演化的影响。
This paper analysed the evolution of ironmaking production and discussed the effect of blast furnace and its prospect.
分析炼铁生产的演变过程，讨论高炉的作用及其发展前景。
However, the present network displays an obviously hierarchical property, which proves that the geographical ingredient may have no effect on the structural evolution of Chinese city airline network.
但是中国城市航空网络展现出明显的层次性，表明地理因素对其结构演化的影响并不强烈。
According to the achievements of modern biology, the origin, the effect and the study meaning of some indistinct conception in the theory of evolution were discussed.
本文根据现代生物科学研究成就，就生物进化论中的一些模糊概念来源、作用及研究意义进行研究探讨。
The linkage effect between TNCs and indigenous enterprises, and the upgrading of enterprises' behavior along value chain are the key factors that promote the evolution of LCE system.
集群内的本土企业与跨国公司发生关联效应所带来的集群内企业的价值链升级是集群演进的主要表现。
Same as the burial depth, the burial time also has great effect on the evolution of porosity of the classic rocks during compaction, which is clarified by three aspects in this paper.
该函数充分表明，在压实作用阶段，埋藏时间和埋深两个因素对地层孔隙度演化的影响都是非常重要的。
This article argument the time and space scale of it, response of different region and the effect it makes to human evolution and culture migration.
试从突变事件的时空尺度，区域响应，以及它对人类进化和文化变迁的影响等几个方面来论述。
The results indicate that the time evolution function of charge or current is the Jacobian elliptic function instead of a sine one, and the squeezing effect appears periodically in the circuit.
结果表明：电荷与电流的时间演化函数由雅可比椭圆函数替代，而且在电路中显示周期性压缩效应。
The executions of energy police from every country, at the same time, contrarily effect the world energy market, and cause the evolution of the global energy situation.
各国能源战略和政策的实施，同时也对世界能源市场造成直接作用，引起世界能源形势的不断发生变化。
The effect of activators on cobalt cementation thermodynamics and hydrogen evolution kinetics, as well as the influence of main technological parameters on purification result are discussed in detail.
详细讨论了活化剂对钴置换热力学及氢析出动力学的作用，以及主要工艺参数对净化结果的影响。
The effect of elasticity on the microstructure evolution of alloys containing coherent precipitates was studied by phase field model.
采用相场模型对共格沉淀析出过程微观结构演化进行模拟研究。
The mechanism of this effect was further investigated by using finite element method to simulate the evolution of pre-damage voids during the subsequent loading process.
并进一步对初始损伤孔洞在后续加载中的演化行为的细观有限元力学进行模拟计算及微孔洞初始损伤对钢的延性起裂韧性影响的机理进行了研究。
At last, an analysis approach of ripple-effect of SA dynamic evolution is described based on two of levels.
最后给出了两个层面上对SA动态演化波及效应的分析方法。
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。
The results show that different mineral matters have a different effect on the evolution of sulfur compound in AP-TPR.
结果表明：由于煤中矿物质种类的不同，在AP -TPR条件下对不同含硫气体的逸出有不同的影响。
In the isothermal condition, the effect of temperature was introduced by temperature terms in evolution equations of isotropic deforming resistance.
在等温条件下，在各向同性变形阻力演化方程中引入温度项来考虑温度效应。
The classification of strata has a great effect on the knowledge about structural evolution, sedimentary environment and even evaluation of hydrocarbon potential in a basin.
地层是一切地质问题的基础，地层的划分直接影响着对盆地构造演化、沉积环境甚至对全盆地含油气远景的认识。
The present paper deals with the basic characteristics of the structures and their control and effect on the formation and evolution of the Mesozoic red continental basin in this area.
叙述了该地区推覆构造的基本特征及其对中生代陆相红盆的形成、演化过程的控制和改造。
The present paper deals with the basic characteristics of the structures and their control and effect on the formation and evolution of the Mesozoic red continental basin in this area.
叙述了该地区推覆构造的基本特征及其对中生代陆相红盆的形成、演化过程的控制和改造。
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