结果是，进化树的结构变得非常不稳定而且能转变。
As a result, the structure of that evolutionary tree is very unstable and can flip around.
甚至为直立行走增加平衡的前弯脊柱“在结构上不属于最理想的解决方式”，她说，因为它可导致身体不稳定，甚至椎骨骨折。
Even the basic forward curve that promotes balance in upright walking is “not a structurally ideal solution, ” she said, since it can lead to instability and even fractured vertebrae.
但全球化的好处并没有令所有的国家受益，其中所包含的结构性的不稳定也在信贷紧缩中暴露出来。
The benefits of that globalisation were not evenly shared around the world and the structural instabilities it contained were brutally exposed by the credit crunch.
形成不稳定的充分条件是结构的质量轻、刚度小、阻尼小、或是高度(长度)大、长细比大。
The sufficient conditions to an instable structure are heavy mass, small stiffness and damping and tall with high aspect ratio.
这类G蛋白偶联受体中的绝大部分对激素和神经递质有反应，它们在自然中并不丰富且在结构上趋于不稳定。
The vast majority of these G protein-coupled receptors respond to hormones and neurotransmitters. They are not naturally abundant and tend to be structurally unstable.
场馆的内部结构正对着柔和的室外改造，这也揭示了原来仓库和攀岩墙之间不稳定的关系，以及与攀岩墙之间不稳定的关系。
The internal structure of the pavilion is confronted by the soft outside adaptations that reveals the unstable relationship of the original warehouse as well as the climbing walls themselves.
由于产业结构，体系和宏观经济的不断变化，新兴经济通常都十分的不稳定。
Emerging economies are normally highly unstable due to the regular changes in industry structure, institutions and macro-economy.
可以作为静态的物理结构，也可以是动态的、不稳定的。
As a physical structure, static, as well as an happening, volatile.
金沙江流域的地质结构并不稳定，汶川大地震后，国家要求对水电站进行抗震覆核。
Geological structure of the Jinsha River basin is not stable, Wenchuan after the earthquake, the state requirements for seismic review of the hydropower station.
通过数据可视化的方法检出分岔现象可以直接检视大洋流场中的不稳定结构，揭示系统的失稳过程。
Detecting bifurcations by data visualization method can probe into the structural instability in ocean flow directly, and thus helps reveal unsteady processes in the system.
压实作用导致原生孔隙大量损失，不稳定组分的溶解则是改善孔隙结构的主要因素。
The loss of primary porosity is caused by compaction, and pore texture reformation is resulted from the solution of unstable components.
多层圆管结构在不稳定导热过程中的温度场及其热应力状态，关系到结构的安全可靠性。
The temperature field and the thermal stress state of multilayer Wall pipe have a heavy effect on the reliability of structure.
在晶体生长中，流体中的输运过程和流动的不稳定性对生成晶体的结构和质量有重要影响。
The transport processes and flow instabilities in the fluid phase during the growth of crystals have a profound influence on the structure and quality of the crystals.
结果表明：在激波诱导的高超音速湍流分离流中，激波结构是不稳定的，产生一个间歇区域。
The results show that the shock wave structure is unsteady in shock induced hypersonic turbulent separated flows, generating an intermittent region.
市场结构的特征和厂商行为之间的差异，是价格联盟不稳定的主要决定因素。
The characteristics of the market structure and differences among manufacturer behaviors are the main decisive factors for the unstableness of price union.
预应力锚索是针对可能不稳定的岩体或建筑物基础施加预应张力，以提高不稳定体的抗滑能力和结构力。
The prestressed anchor cable is to exert prestressed tension on unstable rock mass or structure to improve anti-slide capacity and structural stress of unstable rock mass.
甲骨文后来演变成金文、大篆，金文和大篆的形体结构松散而不稳定，且地区差异大，尚未定形。
Later, inscriptions on bones developed into Jinwen and Dazuan, which were loosely structural and were not setting for area differences.
高空前倾槽的结构加大了大气的垂直不稳定，是引起强对流天气的重要原因。
The structure of the forward-tilted trough increases the atmospheric instability and caused the severe convective weather.
因此，探索用科学计算可视化的手段，观察和研究这类复杂流场中的不稳定结构就具有重要和现实的意义。
Therefore, developing scientific visualization methods for observing and studying unsteady structures in these complex flow fields has a significant and practical meaning.
这类流动不仅具有复杂的流动分离结构，而且常常不稳定，也是噪声发生的主要区域。
This type of flow has not only complex flow separation, but the character of unsteady bringing noise.
燃烧不稳定不仅影响航空发动机的工作稳定性，而且还是造成燃烧室火焰筒薄壁结构声振耦合疲劳破坏的重要原因。
Combustion instability not only affects the stability of the aero-engine work, but also caused the combustion chamber flame tube thin-walled structure acoustic-vibration coupled fatigue.
作者应用不稳定流动计算机模拟方法，不仅能估算排气消声器特性，还能模拟不同消声器结构对发动机性能的影响。
With the computer simulation of exhaust mufflers and IC engines, the influence of mufflers on engine performance as well as exhaust noise can be predicted.
从偏微分方程反问题的角度解释了结构拓扑优化中棋盘格式、网格依赖性等数值不稳定现象的本质。
Form the point view of inverse PDE, the essence of numerical instabilities in the topology optimization is given, including checkerboard pattern and mesh-dependence.
一般还认为乙二醇有稳定蛋白结构的作用，构象不稳定的蛋白可以尝试添加乙二醇来长晶体。
It is even thought that ethylene glycol can have a structure-stabilizing effect and may be useful in the crystallization of flexible proteins.
电离层不规则结构的形成和演化与电离层等离子体不稳定性密切相关。
The formation and evolution of ionospheric irregularities are closely connected with the instabilities of ionospheric plasma.
尾矿料颗粒较细，比重较大，石英含量较多，亲水性弱，饱和的疏松的尾矿料具有非常敏感的不稳定结构。
The grain of tailings is finer with larger specific density, its content of quartz is more and water affinity is weak.
尾矿料颗粒较细，比重较大，石英含量较多，亲水性弱，饱和的疏松的尾矿料具有非常敏感的不稳定结构。
The grain of tailings is finer with larger specific density, its content of quartz is more and water affinity is weak.
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