本文在转速采样环节采用霍尔速度传感器作为电机速度采样器件，并且采用了M法和T法混合的方法进行测速，这样在低速和高速时都能保证采样精度。
In the aspect of speed sample, HALL speed sensor is adopt, and combined the m method and t method, so the sample precision can be ensured both in the high speed moment and low speed moment.
方法用空气微生物采样器采样和培养方法，对该消毒剂气溶胶消毒坑道空气的效果进行检测。
Method Microbial air sampler to sample and culture were used to evaluate the disinfection effect of the disinfection aerosol.
方法用空气微生物采样器采样和培养方法，对该消毒剂气溶胶消毒坑道空气的效果进行检测。
Method Microbial air sampler to sample and culture were used to evaluate the disinfection effect of the disinfection aerosol.
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