changeovers
n. (生產方法、裝備等的)完全改變,(方針的)轉變( changeover的名詞複數 )
A changeover is a change from one activity or system to another.
He again called for a faster changeover to a market economy...
他再次呼籲加快向市場經濟過渡。
Right now we are in the changeover period between autumn and winter.
眼下,我們正處於秋冬交替的時候。