检测了模型的预测精度，结果显示误差小于6%。

The forecast accuracy was proved to be satisfactory with an error ratio less than 6%.

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对于每一个参数化问题的近似结果，这个程序也会显示误差的边界。

For each approximate solution of a parameterized problem, the app also displays the margin of error.

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此次允许误差为3.1个百分点的民意测验显示，共和党籍候选人有望在明年的选举中大有斩获。

The survey, with a margin of error of 3.1 percentage points, suggested possible big gains by Republican candidates in next year's elections.

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