研究分析表明：尾气采样探头伸入排气尾管的长度及取样点前的测量管路密封性是保证测量结果正确性的主要因素。
The result shows that the length of the sampling pipe inserted into the vent-pipe and the vent-pipe's airproof are the key factors for the correct exhaust emissions results.
用示波器和探头对信号进行测量，是对信号进行分析和采样的手段之一。
Measuring signals with an oscilloscope and its probes is one of signal analyzing and sampling means.
用示波器和探头对信号进行测量，是对信号进行分析和采样的手段之一。
Measuring signals with an oscilloscope and its probes is one of signal analyzing and sampling means.
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