美国的兴衰不是不可抗拒力的作用。
The rise or decline of the United States is not a function of deterministic forces.
提高生态系统生产力的作用；
没有一种材料在力的作用下不变形的。
没有摩擦力的作用，汽车就不能前行。
An automobile could not move itself without the aid of friction.
我们知道，电场不过，是库仑力的作用空间。
We know what an electric field is, it's just a space through which a Coulomb force operates.
因此，受到力的作用后，易发生移位和畸形。
Once forces are applied on it , palate segment will be easily shifted, and result in deformities.
在力的作用下，没有一种材料不或多或少地变形。
There is no material but will deform more or less under the action of force.
换句话说，合力为零就相当于没有任何力的作用。
In other words zero resultant force is equivalent to no force at all.
海上采油平台的垂直立管频繁受到波浪力的作用。
In the riser system of offshore platform, the wave force ACTS frequently on the riser.
通常这些荷载是用液压千斤顶直接施加于力的作用。
These loads are normally applied by hydraulic jacks acting directly at the point of application of the force.
水锤的定义是指当液体突然改变速度时会产生一个力的作用。
The definition of water hammer is the force that is created when a liquid suddenly changes velocity.
同时，手柄对齿轮和齿轮轴的锥体对锥套及工件都会产生增力的作用。
Meanwhile, the handle and the cone of the gear shaft will have increased loads on gear, sleeve and workpiece.
产业集群中不同人力资本存量所有者对产业集群竞争力的作用并不一样。
Different person has different stock of human capital, which have different effects for the industrial cluster.
一个物体如果受到几个力的作用而仍然保持平静，我们就说该物体处于平衡状态。
If a body is acted upon by a number of forces and still remains motionless, the body is said to be in equilibrium.
希望大多数人都知道电场是向量场，电场描述了，对场中的带电小颗粒的力的作用。
Hopefully most of you know that the electric field is a vector field that basically tells you what kind of force will be exerted on a charged particle that you put in it.
好吧，你会从方向盘感觉到些力的作用，但测试平台只会静止下来，然后就结束了。
Okay, you can feel something through the steering wheel but then the platform just stops and it's over.
当框架受动力荷载作用时，这种填充墙主要受水平力的作用，避免了斜向的受压破坏。
When a frame subject . to dynamic loads, the filled wall mainly accept horizontal forces and the damage of oblique pressure can be avoided.
我们决定通过我们在国际足联和欧洲足球协会联盟的席位，起到一个积极和有影响力的作用。
We are determined to play an active and influential role through our representation within both UEFA and FIFA.
该COE除了具有更广的范围、权力和资助以外，可能还在新项目的资助决策方面发挥有影响力的作用。
The COE, apart from having wider scope, powers, and funding, might play an influential role in funding decisions for new projects.
在冶炼时由于脱氧方法的不同，由于普通低台金钢具有优良的性能，这就要求材料必须经受得住往复力的作用。
Due to the different deoxidation methods, the ordinary low alloy steel has excellent performance, which requires that the material must be able to withstand the reciprocating force.
要发挥科技是第一生产力的作用，建立能够与国外大石油公司相抗衡的竞争地位，必须建立相应的石油软件产业。
It is necessary to establish the relative oil software industry to bring the production force of science and technology into full play and compete with major foreign oil firms.
若弹簧长度加倍，拉长刚才的两倍，当我把两个弹簧串联，任何一个弹簧，在这个力的作用下，将会拉长相同的量。
If I make the spring twice as long, I would get double the extension, because when I have two springs in series, each one, under the influence of this force, will get longer by this amount.
附有电路的薄膜被安放到生物组织上，之后便自然溶解消失，附着的电路在毛细管吸附力的作用下则紧贴在了生物组织上。
When the film containing the circuit is placed on biological tissue, it dissolves naturally. What it leaves behind is the circuit, attached to the tissue by capillary forces and supported by it.
在一次令人惊讶的发现中，米切尔·波维内丽正确预测了被成功引导在一条硅片上的光可以对附近的另一条硅片产生机械力的作用。
In one surprising finding, Povinelli correctly predicted that light being guided down a strip of silicon would exert a mechanical force on an adjacent strip.
足部的拱形类似杠杆的作用，在迈步时起到蹬地作用，并且在脚着地时起到吸收冲击力的作用，这暗示露西的脚与我们现代人的很相似。
An arch in the foot would provide leverage to push off the ground at the start of a stride and then help absorb shock when the foot meets ground again, suggesting Lucy's feet were much like ours.
研究表明，在周期注水改善开发效果中，各种力所起的作用大小不同，毛管力的作用是主要的，弹性力的作用是次要的，重力基本不起作用。
This study shows that for improving development effect in the cyclic flooding, order of roles played by various forces are: capillary force, elastic force, while gravity plays no part in it basically.
研究表明，在周期注水改善开发效果中，各种力所起的作用大小不同，毛管力的作用是主要的，弹性力的作用是次要的，重力基本不起作用。
This study shows that for improving development effect in the cyclic flooding, order of roles played by various forces are: capillary force, elastic force, while gravity plays no part in it basically.
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