单词	周期杂讯--周期噪音
释义	周期杂讯，周期噪音periodic noise
随便看	number of grace days number of grace days (90) number of heat transfer unit number of independent components number of inherent tapping positions number of initial visits number of inpatients number of item number of jobs number of knudsen number of lines number of magnetic flux inter linkage number of mass transfer unit number of neutrons per flssion number of newtons rings number of nonconforming items chart number of observation number of open microphone number of open microphone {=nom} number of oscillation number of outpatients number of overall transfer units number of partition number of partitions number of pass