历史: history; past records的: 4次方是 The fourth power of 2 i ...转折点: kickpoint; turning point; br ...历史的转折: a turning point in history这是他事业上的转折点: it was a turning point in his career曲线的转折点: curve break; curved break认同的转折点: identity crisis生活的转折点: turning-point of our life波谷；周期的转折点: trough喘振线上的转折点: kink in surge line重要的转折点，危机期: climacteric人民是历史的创造者: the people are the makers of history时间序列中的转折点: turning point in time series转折点: anchors; breaking point; breakover point; breakthrough; corner point; culminating point; hinge; inflecting point; inflection point; kink; pivotal point; point of inflection; reversal point; the turning point; transition location; turn over point; turning-point; turnover point; war front turning point; weight break point; weightbreakpoint在世纪的转折点，在新世纪将来之际: at the turn of the century策略转折点: strategic inflection point成熟转折点: pubertal inflection; pubertalinflection处于转折点: be at a turning-point岛弧转折点: capped deflection里程碑，转折点: milestone noun平滑转折点: breakeven point坡度转折点: break in grade前缘转折点: leading-edge discontinuity曲线转折点: buckling point; curve break危机，转折点: crisis
