Energy is injected into space by quasars in the form of fast, nonrelativistic particles. 能量是以快速非相对论性粒子的形式由类星体注入空间的。
A novel relative dynamics equation of the elastic rotation shaft possessed twain side is built in the nonrelativistic theory in this paper. 在非相对论性原理下建立了二端面弹性转轴的动力学方程。