What does the theory of plate tectonics maintain ? 这板块构造学说的理论讲些什么?
Transversely isotropic plate ; refined theory of plates ; general solution ; elasticity 横观各向同性板板的精化理论通解弹性力学
The theory of plate tectonics holds that the surface of earth is composed of a dozen or so huge crustal slabs that float on a sea of partially molten rock 板块构造论认为,地球表面由十来个巨大的地壳板块构成,漂浮在浩瀚如海的部分熔岩上。
Continental drift is now believed to reflect the movement over geological time of underlying plates in the earth ' s crust - the theory of plate tectonics 板块构造学说提出后,大陆漂移说又获得了新的含义,它反映了地壳运动和大州大洋的分布规律。
Especially in the theory of plates and shells in large deflections , perturbation method of analysis was widely applied and gave relatively precise results 尤其在求解板和壳体的大挠度问题上,正则摄动法得到了广泛的使用,并取得了比较理想的计算结果。