Tea crop area, harvesting area, per unit area yield, gross output, and the total agricultural output value of the tea industry are analyzed and assessed by using regression model analysis.

运用回归模型对茶叶种植面积、采收面积、单位面积产量、总产量、茶叶农业总产值进行分析和预测。

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Rice is the first cereal crop and contributes around 40% of the national grain production in China. The total yield and sowing area rank the first and second position in the world, respectively.

水稻是我国第一大粮食作物，占我国粮食40 %左右，其总产量与播种面积列世界第一、二位。

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