A record of 'double dawn' at State Zheng in the first year of the reign of King Yi in Western Zhou Dynasty in th......

The geophysical quantitative excitation on seasonal polar wobble of Earth Rotation has not been well achieved so far. Th......

A series of experiments were performed in a rotating annulus of fluid to study effects of rotation rate on pianeta ry-sc......

本文首先阐迷正交映射的一些基本性质,其次证明一个重要的定理。 定理 空间绕点O的旋转都是绕过O的一条直线的旋转。......

对于非均匀高耸结构动力学计算，常用方法计算量较大。如果采用分段均匀连续的动力分析模型，利用振型正交性，把偏微分方程转化为常微分......