Any Doppler drift in the signal would fall within this wide band anyway and will form part of the total signal.
信号的任何多普勒频移无论如何都不会移出这个频带，而且也肯定会是整个信号的一个组成部分。
That is to say, the improvement of the capability of the fan can help to overcome the problem of the total ventilation resistance drift.
提高通风机能力，有利于克服通风机通风系统总风阻飘移的问题；
That is to say, the improvement of the capability of the fan can help to overcome the problem of the total ventilation resistance drift.
提高通风机能力，有利于克服通风机通风系统总风阻飘移的问题；
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