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.
应用推荐