preparatory stage

基本解釋

Taijiquan is like playing the "Tai Chi from power" is a preparatory stage.
好比打太極拳中的“太極起勢”，是一個預備階段。
The selection of die casting machine for employment that is very important with regard to preparatory stage for die casting production.
壓鑄機的選用是壓鑄生產的前期準備階段之一，是技術性和經濟性都很強的工作。
I think that the Korean modernization had gone through three stages: a preparatory stage, the stage that took off and the stage that went forward steadily.
韓國現(xiàn)代化經歷了三個階段：現(xiàn)代化的準備期、現(xiàn)代化的起飛期、現(xiàn)代化的穩(wěn)步向前期。