The purification model of macroscopic particles in descendingprocess is established from the transport phenomena of particles and plasma chemicals.
从宏观粒子和微观粒子的输运现象及等离子体化学入手 ，建立了宏观粒子沉降过程中的纯化模型 。
2
The market-share-first strategy is adopted by many enterprises during growing period of industry, but the speed of profits descending in the implementation process is hard to control.
市场占有率抢先战略被产业成长时期许多企业采用，但在实施的过程中利润的下降速度却难以控制。
3
There are uncountable Descending Sons here for the process of ascending the Earth.