The chart gives us an overall picture of the 图表主题. The first thing we notice is that 图表最大特点 . This means that as (进一步说明).
We can see from the statistics given that 图表细节一 . After 动词-ing 细节一中的第一个变化， the动词-ed+幅度+时间(紧跟着的变化) . The figures also tell us that图表细节二 . In the column, we can see that accounts for (进一步描述).
Judging from these figures, we can draw the conclusion that (结论). The reason for this, as far as I am concerned is that (给出原因). / It is high time that we (发出倡议).
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