Impulse and momentum change; rocket equation; origin of pressure from random motion.
冲量，动量的改变；火箭方程；随机运动的压力作用点。
2
The random nonlinear differential equation of ship's motion is established considering the nonlinear damping, nonlinear recover moment and random waves.
考虑非线性阻尼、非线性复原力矩和随机波浪，建立了随机横浪中船舶运动的随机非线性微分方程。
3
The large-amplitude rolling random differential equation has been founded of floating structure subjected to wind-wave and explosive loading.