In this paper, the life distribution of a sand particle in four states, the transition strength of sediment from one state to another and the distribution of the beginning of the rest particles on ded surface are given.是什么意思_In this paper, the life distribution of a sand particle in four states, the transition strength of sediment from one state to another and the distribution of the beginning of the rest particles on ded surface are given.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句