11.as is shown/demonstrated/exhibited in the diagram/graph/chart/table...
如图所示...
12.according to the chart/figures...
根据这些表(数字)...
13.as is shown in the table...
如表格所示...
14.as can be seen from the diagram,great changes have taken place in...
从图中可以看出，...发生了巨大变化。
15.from the table/chart/diagram/figure,we can see clearly that...or it is clear/apparent from the chart that...
从图表我们可以很清楚(明显)看到...
16.this is a graph which illustrates...
这个图表向我们展示了...
17.this table shows the changing proportion of a & b from...to...
该表格描述了...年到...年间a与b的比例关系。
18.the graph,presented in a pie chart, shows the general trend in...
该图以圆形图形式描述了...总的趋势。
19.this is a column chart showing...
这是个柱型图，描述了...
20.as can be seen from the graph,the two curves show the flutuation of...
如图所示，两条曲线描述了...的波动情况。