This formula can be used to simply greatly the process of calculation, and guide the construction by the accurate data.

利用此公式，可大大地简化其计算过程，以准确的数据指导施工。

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COV was calculated according to formula in the operation guide.

COV值按操作说明书中的计算公式计算。

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The formula can be seen in the Guide section of Matching Pairs Deluxe.

公式可以在游戏的指导部分看到。

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The U.S. Environmental Protection Agency (EPA) has developed a formula to convert PM 2.5 readings into an AQI value that can help guide health-related decisions.

FORBES: Air Quality In China