预报准确率（forecast accuracy）是指用数值表示预报量与实况的接近程度。
污染指数的预报准确率达76%。
风暴潮预报准确率首先决定于台风路径预报的准确率。
Forecasting accuracy of storm surge caused by typhoon depends on forecasting accuracy of typhoon track.
证明了变分同化是提高预报准确率的一种非常有效的手段。
It is suggested that the variational assimilation is an effective skill to improve the prediction accuracy.
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