As a result, the structure of that evolutionary tree is very unstable and can flip around.
结果是，进化树的结构变得非常不稳定而且能转变。
When mixed with sulfur, phosphorus, and the kind of heat you get from, say, friction, it's very unstable.
当与硫磺、磷、你从某处获得的某种热量(比如说摩擦力)混合时，它就变得很不稳定。
It is a very unstable area and will not prevent the disbursement of lethal radioactive elements to the environment.
这是一个非常不稳定的地区，将不能阻止致命放射性元素支付环境。
While I see another friend, he works so hard, his working hour is very unstable, sometimes he even works until 9 PM.
然而我看到了另外一个朋友，他很努力工作，工作时间不稳定，有时候甚至于工作到晚上九点。
Aluminum material in air is very unstable easy to form with the naked eye, it is difficult to identify the oxide film.
铝质材料在空气中是极不稳定的，容易形成用肉眼难以识别的氧化膜。
By optical microscope, vaterite , a very unstable polymorphism of calcium carbonate, which rarely appears in nature, has been discovered.
球文石是碳酸钙的同质多象变体，最不稳定，很少在自然界出现。
This week I was downloading many Linux distributions to test them out, but I was having problems with the downloads because my Internet connection was very unstable.
这个星期我下载了很多个linux发行版来测试，但是因为网络连接太不稳定给我的下载带来很多麻烦。
By their very nature, small and medium enterprises to show their business conditions for the larger companies have greater volatility, and their growth patterns and income are also very unstable.
中小型企业由其本身性质显示出他们的经营状况对于较大规模的公司来说具有更大的波动性，他们的增长模式和收入也很不稳定。
Volkswagen, which sells around 15% of its vehicles in China, has said only: 'the global financial market is very unstable,' and that this is' challenging auto makers in China as well as in the world.
在华销量占总销量15%左右的大众汽车只表示，全球金融市场非常不稳定，给中国以及全球汽车厂商带来挑战。
Green Construction and Zero Energy homes are now coming of age in a very uncertain and unstable economic climate.
在极其不明朗、极其不稳定的经济形势中，绿色建筑和零能耗住宅正在日趋成熟。
Creating too much dependency between applications with very different life cycles, developers mindsets, tooling, etc. leads to brittle and unstable systems.
具有不同生命周期、由不同开发者使用不同工具开发出的应用之间存在着过多的依赖，这些导致了系统的脆弱和不稳定。
You, as well as your entire peer group, have a very free, unstable and unconventional approach to relationships and emotional commitments.
你，以及你的整个同侪团体，有一个关系和情感承诺非常自由的，不稳定的和非常规的办法。
The 21st century is a very complicated and unstable place right now, and it is important to remember some of the lessons and some of the terrible mistakes that were made in the 20th century.
他说，“21世纪到了现在已经到了一个纷杂的、不稳定的阶段，记得过去的教训、记起20世纪所犯下的可怕的错误是非常重要的。”
While flexible joints are very useful to contortionists, some joints can become so loose that they are unstable.
灵活的关节对柔术演员来说至关重要，但他们的一些关节可能会变得十分不稳固。
Our computer simulations have shown that this type of orbit can be stable, but if you change things around just a little bit, it can become unstable very quickly.
我们做出的电脑模拟效果图显示，这一星系的运行轨道一般来说是稳定的，但是一旦其周围的物体发生变动，它就会瞬间变得不稳定。
The numerical analysis results show that the multi-reinforcement was a very effective measure of anti-sliding for this kind of unstable rock mass slope.
分析结果表明，这一复合式加固方法是非常有效的，加固结构体和边坡都表现出了较好的稳定性。
The results, which are very close to the ground deformation, show that each area of the survey line is in an unstable state, and the most unstable area is survey line 9.
结果表明，各测线区域均不稳定，9测线区域最不稳定，这和地表变形情况完全吻合。
Yet these will be the very areas of life that will be unstable and therefore prone to cause errors in judgment, indecisiveness, and forgetfulness.
这段时间将会面临着不稳定，容易造成判断错误，犹豫不决和健忘。
The output tracking problems of non minimum phase systems are very difficult, because the internal dynamics of the systems are unstable.
由于系统的内部动态不稳定，非最小相位系统的输出跟踪问题是一个具有挑战性的非常困难的问题。
Coarsening grain and intercrystalline network ferrite depress crack growth resistance of the materials strongly and result in unstable propagation of crack very easily.
晶粒粗大及晶间网状铁素体强烈降低材料的裂纹扩展阻力，并极易导致裂纹的失稳扩展。
Due to unstable sea level, drilling by using 6bs counter circulation pump is not very suitable.
在浅海岸边进行钻机作业，由于海平面水位不稳定，采用6BS反循环泵已不合适。
These unstable joints are very difficult to correct once they deviate from the normal, straight position.
这些不稳定的接头一旦偏离正常的直线位置就很难校正。
Fuzzy control is a very effective method for the nonlinear and unstable system that can not be certain.
对非线性、时变性的不确定系统，模糊控制是一种较有效的方法。
The practice shows that the control result is very good even under the unstable steam pressure.
实际证明在蒸汽压力不稳定的情况下，仍可取得很好的控制效果。
Outwardly, the impression he made was balanced and self-controlled, but in reality he was very insecure; an unstable, tormented personality.
表面看来，他给人的印象是平稳而自制的，但实际上他非常缺乏安全感，性格不稳定且苦闷。
Experiment and simulation results show that the algorithm can keep very low error rate and provide much better media quality in unstable wireless environment.
实验表明，该算法能够在不稳定的网络环境中大幅降低媒体流的误码率，并提供更好的媒体质量。
Experiment and simulation results show that the algorithm can keep very low error rate and provide much better media quality in unstable wireless environment.
实验表明，该算法能够在不稳定的网络环境中大幅降低媒体流的误码率，并提供更好的媒体质量。
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