英语词汇“step change”的翻译、意思、用法、释义-英汉双解词典

单词	step change
释义	ˈstep change noun [countable, usually singular] a big change or improvement in sth巨大变化（或改进）◆There has been a step change in production levels—up 48%.产量水平发生了巨大变化 ── 上升了 48%。
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