用算符理论推出了氢原子和类氢离子的等式型径向动量-位置不确定关系。
The radial momentum-position uncertainty relation in equality form of hydrogen atom and hydrogen-like ion is deduced by using the operator theory.
文章根据建立的降落伞充气过程中轴向和径向动量方程，研究了低密度大气中降落伞的开伞动载。
The equations of axial momentum and radial momentum are made during the presented inflation of parachute, and the parachute opening load in low atmospheric density is studied on the basis of them.
在降落伞轴向和径向动量方程的基础上进行一些合理的简化，并结合其他经验公式基本描述了降落伞整个充气阶段的运动过程。
The parachute axis of symmetry equation and radial equation were rationally simplified. Integrated with other experienced formulas, the movement process of parachute inflation was described.
应用推荐