Culture has become a force of natural selection, and if it should prove to be a major one, then human evolution may be accelerating as people adapt to pressures of their own creation.
文化已经成为了自然选择的一股力量，而它如果被证明是一股重要力量，那么随着人们适应他们自己的创造物带来的压力，人类进化可能会加快。
But natural selection is a powerful force, and if the spread of the disease means they have to be used widely, a resistant strain of the virus could easily evolve.
但是自然选择是一种强大的力量，而如果疾病的传播意味着这些药物将被广泛使用的话，一种具有抗药性的病毒毒株可能将轻易地进化出来。
Much of the new evidence for recent evolution has come from methods that allow the force of natural selection to be assessed across the whole human genome.
从最近发生的进化中我们所获得的大部分新证据所采用的方法都是根据自然选择的力量对全人类基因进行总体评价。
We've turned the notion of natural selection on its head. Nature isn't the only force that picks the genes that stick around - we're doing it too.
我们已经将自然选择的概念从头进行转变。自然并不是选择待选基因的唯一力量-人类也能对基因进行选择。
In the selection of appropriate force, realize any position lifting member can stay.
在举力选择适当时，举升构件可实现任意位置的停留。
July 1, 2008, is the 150th anniversary of the first announcement of his discovery of natural selection, the main driving force of evolution. Since 2009 is the 200th anniversary of Darwin's birth Feb.
2008年7月1日是达尔文自然选择理论诞生150周年纪念日，该理论首次发现了自然选择是生物进化的主要推动力量。
Further blanking die blanking force calculation and working part of the design calculations, provide a basis for the selection of stamping equipment.
在进行冲裁工艺力的计算和冲裁模工作部分的设计计算，对选择冲压设备提供依据。
One could try to escape the dilemma and say that life and man are not solely a product of natural selection, but to do this undermines the central concept and motive force of evolutionary theory.
一个办法可以试着逃脱这个两难的困境，认为生命和人不是孤独的，是自然选择的成果，但是这样做会渐渐破坏进化理论的中心观念和理论动机的影响力。
AIM: to investigate the effects of torque force load on the stress distribution in implant bone interface, so as to help the clinical selection of implant location.
目的：研究扭转力载荷对支抗种植体骨界面应力分布的影响，以指导临床正确选择支抗种植体的植入部位。
Based on the analysis of the effect of excitation force of vibration aging on the fatigue life of white cast iron parts, the selection gist for excitation force was determined.
从理论上分析了振动时效激振力对白口铸铁工件疲劳寿命的影响，确定了白口铸铁疲劳破坏工件振动时效激振力的选择依据。
The factors that influence selection of hydraulic cylinder were analyzed, for example strong demoulding force, mold clamping force, hydraulic cylinder strobe.
分析了影响液压缸选用的主要因素如脱模力、锁模力、液压缸行程。
The types and working principle of preload of the angular contact ball bearings are introduced, the selection rules of the preload and calculation method of determining preload force are given.
介绍角接触球轴承预紧的类型及工作原理，给出了预紧选择原则和确定预紧力的计算方法。
Based on the existing wind power resource, it focuses on the optimum selection of generator to match wind force field and the prospective analysis.
并重点从风机选型即如何根据风力资源情况为风电场匹配最合适的风力机组方面，进行了前瞻性分析。
Virtual force models have widely used in coverage algorithms of node deployment of wireless sensor networks, so the selection of models is of vital important.
虚拟力模型在传感器节点的覆盖算法中应用很广泛，而力模型的选择是覆盖算法中的一个重要问题。
The foregoing provides a basis for the selection of oil-film force model during the nonlinear dynamic analysis and design of an actual rotating mechanical rotor-elliptic bearing system.
研究结果为在实际旋转机械转子-椭圆轴承系统进行非线性动力学分析和设计时，选择油膜力模型提供了依据。
The influences of substrates, melt index (MI) and VAC content in EVA, selection and add-on of peeling force stabilizers on the properties of projective film products are studied.
研究了基材、EVA中熔融指数和醋酸乙烯含最、剥离力稳定剂的选择及用量对保护膜产品性能的影响。
From the relations, it is concluded that pole-number selection of windings not only determines direction of electrical energy transfer for levitation force winding, but also does its excitation modes.
从中可以看出绕组极数选取方案决定悬浮力绕组的电能传递方向及它的励磁方式。
Universal tensile machine is a variety of specifications of the force value selection, and seven test speed sensors for users to facilitate the testing of different test conditions.
万能拉力实验机是多种规格的力值传感器以及七档试验速度选择，为用户不同试验条件的测试提供了便利。
Strong technical force, excellent technology, process design, selection of imported materials, product quality stable and reliable.
技术力量雄厚，工艺设计技术精良，精选进口材料，产品质量稳定可靠。
Force analysis of main shaft roller bearing of pan nodulizer and the knowhow of type selection are involved, which supplies as the calculation basis for the designs or modifications.
本文介绍了对主轴滚动轴承的力分析和如何正确选型的问题。给设计或改造提供了计算依据。
The depending on the analysis of main factors affecting the air Force air materiel supply site selection, a preference site selection method based on rough sets theory is presented in this paper.
在分析空军航材供应点选址影响因素的基础上，提出了用粗糙集理论求解偏好选址问题的方法。
To meet the need of frequent replacement of die cutters of different sizes, another type of machine that can timely output three kinds of cutting force is available for selection.
为适应频繁更换大小不同的刀模，另有一款，可及时输出三种裁断力的机型可供选择。
Lath lath should fitness of first selection appliance, be like dumbbell, barbell, pulling force implement, assorted fitness implement etc.
瘦人应首选器械健身，如哑铃、杠铃、拉力器、组合健身器等。
The study also indicates that the magnitude of earth pressure is not very sensitive to the selection of interslice force function as long as this function satisfies the boundary conditions.
研究还表明，只要满足端部条件，土压力值对条间力函数选取不甚敏感；
America's Congress insisted that considerations of illegal subsidies should play a part in the selection of the air-refuelling tanker to be ordered by the US air Force in November.
美国国会坚持11月由美国空军组织的空中加油机招标应该考虑提供非法补贴。
It is proved that the method can provide a more scientific and more efficient way for selection of air Force air materiel supply site.
这为空军航材供应点的选址提供了一种更为科学、有效的方法。
It is proved that the method can provide a more scientific and more efficient way for selection of air Force air materiel supply site.
这为空军航材供应点的选址提供了一种更为科学、有效的方法。
应用推荐