The pressure reading have characteristic of small deviation, excellent value precision, good stability and can communication with master computer through RS485 interface.

在单片机中计算压力值，并进行数字补偿，经rs485接口输出，具有稳定性好、误差小、测量精度高等特点。

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Thus, a reading above 50% for bullish sentiment would be one standard deviation above average and a reading of 41% for bearish sentiment would be one standard deviation above the average.

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Even with the decline, bullish sentiment is just slightly beyond one standard deviation of its historical norm, making the current reading atypical, but still not an outlier.

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It is also more than one standard deviation below the historical average of 30%, making this an unusually low reading.

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