上升：increase, rise ,ascend ,core, surge,go up, climb ,mount ,level up
下降: decrease, fall, drop ,descend ,decline ,reduce ,lessen ,level down
平稳:stable ,steady ,remain/maintain/keep/be the same as/similar to
波动:fluctuate ,fluctuation ,rise and falls ,up and down
占
ccupy ,take up ,account for, gain
而:while ,however ,whereas ,on the other hand ,actually/in fact
相比:by contract ,on the contrary, likewise, compared with
最高点:the highest, the top ,the summit ,the peak ,the most
最低点:bottom ,less ,least ,rock bottom ,
平均:mean ,average
趋势:tendancy ,trend ,inclination
预见:prediction
达到顶峰: mount to
在***中占***:***gain the percentage of
有一个稳定的过程:a stable period can be seen
