图表描述：

数据图表

a data graph/chart/diagram/illustration/table

饼图用

pie chart

表格图用

table

折线统计图

broken line graph

流程图或过程图用

flow chart / sequence diagram

直方图或柱形图用

bar chart/histogram

趋势曲线图用

line chart/curve diagram

程序图用

processing/procedures diagram

百分比

accounts for ……% of the tota，l takes up ……% in the whole chart

固定不变

fixed in time

一系列的时间段中转变用

changes over time

对比：

comparing with, make a comparison with ,in contrast , on the contrary.......

波动用

fluctuate/rebound/undulate/wave

稳定用

remain stable / stabilize / level off ， As can be seen from the table/chart/diagram/graph/figures

时间表达：

from……to……，between……and……，during……and……， at the start of ……，by the end of ……，at the end of ……，throughout ……

上升/下降/平稳：

increase ， to go up, rise, jump, leap, shoot,an increase,a growth, an upward trend, a jump, reach to 1000, increase to the peak of 1000.climb to 1000...

to fall, decrease , decline drop, collapse, go down, a drop ,a decline, a slide ,a fall decline to 200, drop to the bottom of 200... drop to 200....

have little change, hardly change,remain steady/constant, stay the same