The result show that: steady grain total output is directly proportional to steady cultivated area;

研究结果表明：稳定的粮食产量与稳定的耕地面积成正比；

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The total output of grain in 2008 was 528.50 million tons, an increase of 26.90 million tons or up by 5.4 percent over the previous year.

全年粮食产量52850万吨，比上年增加2690万吨，增产5.4%。

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Having risen considerably the previous year, total grain output rose again by 14.54 million tons to 484.01 million tons.

粮食总产量在上年大幅度增长的基础上，又增产1454万吨，达到48401万吨。

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