By the early twentieth century, the question about the rate of evolution had been answered in favor of gradualism to most biologists' satisfaction.
到二十世纪初,关于进化速度的问题已经得到了答案,答案支持渐进主义,大多数生物学家对此感到满意。
The question about the rate of evolution must now be turned around: does evolution ever proceed gradually, or does it always occur in short bursts?
关于进化速度的问题现在必须解决:进化是逐步进行的,还是总在短时间内发生?
The researchers linked the rate of evolution in the parasites to the rate of evolution in bird hosts in the West Indies.
研究者将寄生虫的进化率和西印度群岛的禽类宿主的进化率联系起来。
The team examined the rate of evolution of the PSD proteins over millions of years of mammalian evolution, expecting the proteins to evolve at the same rate as other proteins.
研究小组还计算了在哺乳动物数百万年进化过程中P SD蛋白的进化速率,期待这些蛋白能以与其他蛋白一样的速率进化。
If protein evolution is due in large part to slightly deleterious amino acid substitutions, then the rate of evolution should be greater in proteins that contribute less to individual fitness.
分子演化被认为在很大程度上是由稍微有害的氨基酸取代的传播驱动的。
Evolution of mollusks proceeded at a uniform rate over time.
"随着时间的推移,软体动物的进化速度是一致的。
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。
First, in the course of the rapid economic evolution, we ignore moral education, giving rise to the rising rate of the problem.
首先,在快速的经济进化过程中,我们忽视了道德教育,从而导致了这一问题不断上升。
The relation of the rate of plastic damage energy dissipation and the damage evolution is obtained in energy analysis for void damage material.
从能量分析中给出了韧性金属材料空穴型损伤中塑性损伤的能耗散率,建立了一般的损伤演化规律;
The pattern of the progressive evolution of offset streams might indicate that the slip rate of the fault in the same place is relatively constant during a certain period.
断错水系的演化图象则进一步提供了在一定时段内,同一地点滑动速率基本稳定的线索。
The evolution of rotational period and it's rate of pulsar with age is studies.
对脉冲星由于磁辐射使自转周期和周期变率随年龄的演变做了进一步深入研究。
Finally, this study analysised the asphalt mixture fatigue damage evolution process of stress control mode and established a relationship between unit load fatigue damage rate and the fatigue life.
最后,本研究分析了应力控制模式下沥青混合料疲劳试验过程中的损伤演化规律,建立了单位加载疲劳损伤率与疲劳寿命之间的关系式。
Some key concepts in degradated failure of materials is discussed. The stochastic evolution equation of defect clusters is given and the failure probability reliability and failure rate are derived.
本文讨论了材料退化失效的基本概念,给出了微观结构随机演化的动力学方程,统一导出了失效几率,可靠性、失效几率密度、失效率和平均寿命。
The evolution from anastomosing to braided fluvial systems was influenced mainly by the subsidence rate of Basin basement, colder arid climate and distinct decrease of vegetation.
网状河流向瓣状河流的演化受到盆地基底的沉降速率及与气候密切相关的植被覆盖程度等因素的控制。
Finally, evolution of fan bodies in the western part of Langgu Depression were possibly controlled by factors as precipitation rate, sediment supply and fault dip, etc.
廊固凹陷西部扇的演化过程与沉降、沉积物供给和大兴断层倾角等因素有关。
Effect of the speeding additive on deposition rate, hydrogen evolution amount, content of phosphorus and corrosion resistance of deposit in acidic electrolyte has been studied.
研究了酸性化学镀镍溶液中加速剂对沉积速度、氢的析出量、镀层含磷量和镀层耐腐蚀性能的影响。
Analysis of subsidence mechanism suggests that subsiding rate decreases with basin evolution.
沉降机制分析表明,其沉降速率总体呈下降趋势。
First, in the course of the rapid economic evolution, we ignore moral education, giving rise to the rising rate of the problem.
首先,迅速经济演变其间,我们忽略道德教育,提升问题的上涨的率。
It was concluded that high internal pressure was caused by oxygen evolution of positive electrode and slow reducing rate of oxygen in negative electrode.
由此可以判定,内压升高的原因在于正极的析氧及负极氧还原速度的缓慢。
Using the IMF DE facto classification, this paper analyses the evolution of exchange rate regimes during 1999-2003 and finds no support for the popular bipolar view.
本文采用IMF的事实分类法,对1999- 2003年国际汇率体系变迁进行统计分析,没有发现支持两极化假说的证据。
Respiratory rate and ethylene evolution and the levels of endogenous growth regulating substances were determined before and after harvest during the period of senescence of cantaloupes.
本文对麻醉瓜采收前后及衰老期间的呼吸强度、乙烯生成及内源生长调节物质作了测定。
The ethylene evolution rate from apple fruits is lower at the early and late stages of "physiological drop" than that at the drop peak stage.
苹果(新红星和金矮生)果实生理落果的早期、后期乙烯释放率较低,其高峰期乙烯释放率较高。
This paper describes the evolution of the RMB exchange rate system, and leads to the problems of the RMB exchange rate regime in international law.
本文首先介绍了人民币汇率制度的演变,并引出当前人民币汇率制度面临的国际法问题。
Containing methanol in formaldehyde solution with lower concentration, the rate of hydrogen evolution increased to some extent.
在甲醛浓度较低时,甲醇的存在能部分地提高放氢速率。
In addition, the price evolution of foreign currency option when interest rate and exchange rate and their volatility move, is examined.
此外,定性分析了短期利率、汇率及其波动率变化对期权价格的影响。
In addition, the price evolution of foreign currency option when interest rate and exchange rate and their volatility move, is examined.
此外,定性分析了短期利率、汇率及其波动率变化对期权价格的影响。
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