retention process

保压过程,packing... ... ) process of heat preservation 保温过程 ) retention process 保留过程 ) support process 保障过程 ...

其包含四阶段历程：(1) 注意过程 (attentional process) (2) 保持过程 (retention process) (3) 再生过程 (reproduction process)

"消旋物"... ... "retention parameter " 滞留参数" "retention process " 滞留过程" "retention property " 滞留性能" ...