China ran a deficit of 12.25 billion US dollars, with 99.53 billion US dollars in exports, and 111.78 billion US dollars in imports.

其中中国出口995.3亿美元，进口1117.8亿美元，逆差122.5亿美元。

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For method two, mean values of errors in two groups are 12.25% and 23.69%, respectively. The errors are so big that method two is invalidation.

用方法二建立的模型其二组误差的平均数分别为12.25%和23.69%，由于误差较大故认为该方法建立的模型没有实际意义。

youdao

For method two, mean values of errors in two groups are 12.25% and 23.69%, respectively. The errors are so big that method two is invalidation.

用方法二建立的模型其二组误差的平均数分别为12.25%和23.69%，由于误差较大故认为该方法建立的模型没有实际意义。

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