该模型将变量液压泵等效为液阻、压力突变、恒流源构成的一般液压元件。
By the new model, a variable displacement hydraulic pump is simulated by the ordinary hydraulic component with hydraulic resistance, abrupt pressure change and invariable flow.
约翰逊：还有，最先进的物种，比如人类和类人猿，是数百万年前物竞天择的压力和基因突变两者结合作用下的产物。
Another thing: the most developed species, like humans and apes, are products of a very specific combination of selection pressures and genetic mutations over millions of years.
耐药比率的主要驱动因素不是新的突变，而是抗菌素的选择压力和耐药微生物的传播。
The main drivers of resistance rates are not new mutations but rather antimicrobial selection pressure and transmission.
她生活中的任何压力和突变过去会将它送入心理上的混乱。
Any stress or sudden change in her life at one time would send Saks into a tailspin psychologically.
经济突变正在开启剩余生产力，其规模足以给物价下调施加很大压力，尽管英镑的价值斗降已经使进口商品更贵了。
The economic reverse is opening up spare capacity on a scale that will exert big downward pressure on prices even though the steep fall in the value of the pound has made imports dearer.
照料少年儿童躁郁症患者可能会对您造成压力.您不得不对付情绪突变和其他问题例如脾气和冒险行为.这是任何家长的挑战.这种压力可能损害您的人际关系 上班迟到或是失去闲暇.
Taking care of a child or teenager with bipolar disorder can be stressful for you too. You have to cope with the mood swings and other problems, such as short tempers and risky activities.
在经历这种突变、巨变时，城市失业下岗女性承受着巨大的精神压力。
When they experience the sudden , bigchanges, the unemployed city females endure tremendous mind pressure.
准种的演变不仅是机体阳性选择压力的结果，也有阴性选择的参与，即随机突变积累的结果。
The evolvement of quasispecies is not only the result of positive immune pressure in the host, but also the accumulation of random mutation.
不止如此，当他通过对这些突变细菌的基因测序并将其分离出来之后，发现只有那些有选择压力的领域发生了突变。
Furthermore, when he dissected the genes of these mutated bacteria by sequencing them, he found mutations in no areas other than the one where there was selection pressure.
气体流量突变后，不同流型下其压力变化趋势相同。
For various flow patterns, the pressure evolution has the same tendency.
本文从起始材料的筛选、选择压力、离体诱变技术、突变体鉴定等方面对近年来我国蔬菜抗性突变体离体筛选技术研究进展进行了综述。
The progress in technique of in vitro selection for resistant mutant such as choosing of cultured material, stress factors and mutagens were reviewed in this paper.
的突变也阻止了细胞的生产压力颗粒，氧气水平低的压力造成的神经元的自然防御。
The mutations also prevented the cells from producing stress granules, the neurone's natural defence from stress caused by low oxygen levels.
方法采用实时荧光定量PCR检测113个腓骨肌萎缩症家系先证者、4个遗传性压力易感性神经病家系先证者和50名正常人PMP22基因重复或缺失突变。
Methods Duplications or deletions of?PMP22gene were detected in 113 CMT cases, 4 HNPP cases and 50 normal controls by using real-time quantitative PCR. Results (Thirty-six) of 113 CMT cases had the?
该强度模型表明介质破坏是一个过程，反映了强度突变的应变率阈值效应与侧限压力下主破裂面上矿物颗粒团局部二次破坏的力学机制。
The model indicates that the failure of rock is a process in which there is a coupling between crack development and the slipping of cracked plane. The strain…
该强度模型表明介质破坏是一个过程，反映了强度突变的应变率阈值效应与侧限压力下主破裂面上矿物颗粒团局部二次破坏的力学机制。
The model indicates that the failure of rock is a process in which there is a coupling between crack development and the slipping of cracked plane. The strain…
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