This would lead to a selective pressure on men to take the task of propositioning very seriously indeed.

这就导致选择性的压力，当一个男人必须相当严肃的对待他试图接近的异性。

Under the selective pressure of bats, nocturnal moths have evolved many adaptive traits to defense and evade bats.

在蝙蝠回声定位的选择压力下，夜间活动的蛾类进化出一系列防御、逃避等适应性特征。

If the individual populations' environments were exerting strong selective pressure, such differences should have been apparent.

但如果某一人群的环境真正具有很强的选择压力那么上述差异会很明显。

Scientists had assumed that great mass would have produced selective pressure for the larger sacrum, but now they know that the sacral enlargement came first.

科学家以前猜测可能是种群太大导致的竞争压力使蜥脚龙最终产生了，不过现在他们知道了蜥脚龙从何处分化而来的。

The result demonstrated that the immune selective pressure only had selective function, but not the creating - mutation function in the mutation of virus.

本研究结果显示，抗体这一免疫压力在病毒的变异中可能只起选择性作用，而不起促进变异的作用。

Many genes for taste and smell show signs of selective pressure, perhaps reflecting the change in foodstuffs as people moved from nomadic to sedentary existence.

许多味觉和嗅觉基因显示出选择性压力的迹象，也许反应了当人们的生活从流动到稳定时食物上发生的变化。

Conclusion; the DDDs, that is the selective pressure of the antibacterial usage, is one of the main influencing factors of the variation of drug resistance.

结论：抗菌药的用药频度，即抗菌药应用的选择性压力，是影响细菌耐药性变异最主要的因素之一。

The use of any antimicrobial for any infection, in any dose, and over any time period, forces microbes to either adapt or die in a phenomenon known as “selective pressure”.

针对某种感染使用某一剂量的某种抗菌剂一段时间，会迫使微生物或是适应，或是死亡；这种现象称为“选择压力”。

Objective Study the relationship between type A influenza virus genetic variation with survival selective pressure, help for the finding of possible vaccine conserved antigen target.

目的研究甲型流感病毒基因变异与生存选择压力的关系，指导保守疫苗靶位点的寻找。

Such small antisense RNAs may later have gained a role in RNA editing, possibly under selective pressure to repair a region or restore a reading frame after loss or erosion of a module.

之后，这些小的反义RNA可能会在RNA拼接中发挥作用，如在选择压力下修复基因组中一个区域，抑或在丧失或损坏一个模块后恢复一个读码框。

When disease control efforts are stepped up, especially through the mass administration of medicines, causative agents are put under enormous stress, which is expressed as selective pressure.

当疾病控制努力逐步加强，尤其是通过大规模施用药物来控制疾病时，病原体被置于巨大的选择压力之下。

Furthermore, since the evolution of conscious thought in humans, there is less selective pressure to have more developed infants at birth because of the increased ability to protect human infants.

此外，由于人类意识思维的进化，对产生发育更多的婴儿有较少的选择性压力，因为增加的能力可以保护人类婴儿。

We have also felt free to resist pressure to provide an expensive and highly selective program of varsity athletics and other nonacademic enticements simply for their marketing advantages.

我们也可以顶住压力不组织花费高昂的大学生体育竞技队以及其他仅仅是能让学校在市场上有优势的非学术性组织。

With health care costs rising, there is new pressure on companies to be more selective in drugs they develop.

医疗费用价格的上涨迫使制药公司对研发药物更加挑剔。

The team sees two ways, if the above steps work, to witness selective, Darwinian pressure alter protocell behavior.

研究组考虑到两个途径，如果上述过程进展顺利，将见证达尔文主义的自然选择力改变原细胞行为。

The unit's lateral sectors permit selective air pressure adjustment across its entire width, allowing the Air Turn to compensate for cambered webs and uneven tensions.

可通过设备的侧面部分有选择性地进行空气压力调节，使无接触气垫转向器能够补偿翘曲的卷筒纸和不均匀的张力。

The Cleveland Clinic recommends antidepressants known as selective serotonin reuptake inhibitors (SSRIs, such as Prozac and Zoloft) because they don't raise blood pressure.

克利夫兰诊所称赞抗抑郁药物(简称SSRIS，如百忧解和左洛复)之所以被称为选择性的再摄取血清素抑制剂是因为它们不会使血压提高。

In view oi the problems existing in the silicon micro pressure sensors, this paper proposes the chemical etching techniques and the selective etching processes to control diaphragm thickness.

并针对硅微压传感元件研制中存在的问题，提出采用化学腐蚀技术，选择性腐蚀工艺控制膜厚。

Study on selective-oxidation kinetics and effect of oxygen partial pressure on oxidation process was conducted.

研究了选择性氧化过程动力学及氧分压对氧化过程的影响。

Conclusions: It suggests that selective intra-bronchi pressure ventilation is an effective treatment for obstinate atelectasis.

结论：提示选择性经纤支镜支气管内加压充气是治疗顽固性肺不张的良好方法。

Selective products have to pass the test in different conditions, such asshock heating and cooling, vacuum and pressure.

抽样的产品必须通过不同条件的测试，例如骤冷骤热的温度差测试，真空测试，强压测试等。

Synthetic polymer oxy—enriching membrane has selective permeability for gases and under pressure, it can obtain enriched—oxygen air, provided for patient, from atmosphere.

合成高分子富氧膜对气体具有选择透过性，在压力的驱动下，可直接从空气中获得富氧空气，供患者使用。

According to the large interiayer pressure difference and interiayer inconsistency in Sa-Gao reservoir of Yingtai oilfield, designed the selective zone production pipe string.

英台油田萨-高油层层间压差大，层间矛盾突出，针对这一现状，提出了分层合采技术。

Objective: To investigate the effect of raloxifene, a selective estrogen receptor modulator, on blood pressure, lipid, fibrinogen and estrogen receptor in ovariectomized rats.

目的：探讨选择性雌激素受体调节剂雷洛昔芬对去卵巢大鼠血压、血脂、纤维蛋白原和雌激素受体的作用。

In present work, a kinetic study on selective leaching of low-sulfur Ni-Cu matte at atmospheric pressure was conducted.

本文研究了低硫高冰镍常压选择性浸出的动力学过程。

The selective catalytic synthesis of dimethylamine from ammonia and methylalcohol over cerium modified mordenite under ambient pressure in a fixed bed reactor has been studied.

研究了氨和甲醇以铈改性丝光沸石为催化剂，在常压固定床上选择性合成二甲胺的反应。

Objective:To investigate the change of inflammation marker in the development of rats with pressure overloaded hypertrophy myocardium and influence of selective cyclooxygenase-2 inhibitor.

目的：观察代偿性心脏增大大鼠心肌肥厚过程中各种炎症反应标记物的动态变化及特异性环氧化酶-2抑制剂的影响。

Results show that AlN films deposited at low gas pressure have good selective orientation, and compressive residual shes increased with gas pressure is found in the films.

结果表明：在较低压力沉积的氮化铝薄膜有良好的择优取向性；氮化铝薄膜残余应力为压应力，且随气体压力增加而逐渐变化。

The pressure driver may further include a mixture control for allowing selective adjustment of the oxygen concentration in pressurized gas delivered to the patient.

所述压力驱动器可以进一步包括混合物控制器，用于允许选择性地调 整传送给患者的加压气体中氧气的浓度。

According to consumer's call for but the selective breeding automation liquid place, pressure gives an alarm under the control of , voluntarily.

可选模式根据用户的要求可选配自动液位控制、自动压力报警。