在岩石圈演化历史上，上述不同性质力源的相对强弱和作用方式，决定了岩石圈运动的性质及其驱动机制。
In evolution history of he lithosphere, the relative strength and acting way of the above forces determine the characteristics and driving mechanism of the lithosphere movement.
在无相对运动的情况下，也可以有摩擦力的作用。
Frictional forces may also act when there is no relative motion.
我们将对在悬臂矩形板的一对相对的自由边作用有不同的对称边界荷载时，求出薄板的最小临界力。
We are going to find out the minimum critical loading for cantilever rectangular plates subjected to various edge loadings symmetrically on a pair of opposite free edges.
基于回归分析，考虑淹没、越浪、波陡、相对水深和相对筒径等的影响，给出了作用在大圆筒上的波浪力和波浪力矩的计算公式，可用于工程实践。
On the basis of regression analysis, the relationship between wave parameters and wave force as well as moment acting on the large diameter cylinder structure is given.
大量血液作用于胃肠等消化器官，脑部供血相对减少，因此会出现短暂的困倦感和注意力分散。
A large number of the blood in the gastrointestinal and other digestive organs, reduced blood supply to the brain, so there will be a brief feeling sleepy and distracted.
该结构相对于其余的刺针本体优选具有降 低的刚度，使得刺针在力的作用下可以优选在该区域中弯折。
This structure preferably has reduced stiffness compared to the rest of the lancet body, such that the lancet is preferably kinked in this area under the action of a force.
可是，只有在金钱的购买力在一段时间内保持相对稳定的条件下，金钱才能起到赊账延期支付标准的作用。
However, money serves its function as a standard of deferred payment only if its purchasing power remains fairly constant over time.
可是，只有在金钱的购买力在一段时间内保持相对稳定的条件下，金钱才能起到赊账延期支付标准的作用。
However, money serves its function as a standard of deferred payment only if its purchasing power remains fairly constant over time.
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