上升：increase, rise, ascend ,surge, go up, climb, level up ，grow, exceed

　　急剧上升：jump, rocket, shoot up, surge, soar, take off

　　极值: peak, reach a peak, the highest point, the top, the summit, the most

　　下降: go down, decrease, fall, drop, descend ,decline, reduce, level down , dip

　　急剧下降：plunge, slide, plummet, collapse

　　极值 reach a trough, hit/fall to the lowest point. Bottom

　　扭转：improve, recover, pick up

　　平稳:stable, steady remain/maintain/keep/be the same as/similar to , show little change, level off

　　波动:fluctuate fluctuation, rises and falls, ups and downs

　　修饰：steadily, gradually, slightly, gently, slowly, considerably, noticeable, markedly, sharply, significantly, dramatically, substantially, enormously, rapidly

　　约数：just under/over, well under/over, roughly, nearly, almost, approximately, around, about.

　　而:while, however, whereas, on the other hand, actually/in fact ,even so, nevertheless, less than, more than, different from, although, in contrast to , conversely, unlike

　　平均:mean, average

　　趋势:tendency, trend, inclination

　　预见:prediction

　　达到顶峰: mount to

　　相比:by contract, on the contrary, likewise ,compared with , just as, in the same way, like, alike, to reflect, to mirror, to have in common.

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