在上面几种情况中，因为数据高于量程超高限（extended high range） ,或者数据值低于超低限（extended low range）而使数据显示为NAN的情况经常出现，为了剔除这一情况，需要在模拟量输入模块AI CHANNEL和数据采集模块DACA中都做嵌位设置。
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In fact, US rates should remain range-bound at historically low levels for an extended period.
事实上，美国的利率应当会在较长时期内保持在历史低位窄幅波动。
The radio also has an extended range that provides access to low-band VHF.
该无线电系统还可扩展频率范围，提供低频段甚高频。
The Fed kept its main interest rate in a target range of 0-0.25% and stuck to its creed that rates would need to stay low for “an extended period”.
联储保持目标基准利率在0-0.25%之间，并将“长时间”停留在低水平。
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