regular frequency distribution 和 grouped frequency distribution 是什么意思?

regular frequency distribution 和 grouped frequency distribution 是什么意思? frequency 英语翻译DESCRIPTION:CONC.BETH.O/D & DIMPLE DIA.OUT OF ROUNDNESS:REGULAR DEFECTSIRREGULAR DEFFECTSHIGH FREQUENCY DEFECTS 英语翻译DESCRIPTION:CONC.BETH.O/D & DIMPLE DIA.OUT OF ROUNDNESS:REGULAR DEFECTSIRREGULAR DEFFECTSHIGH FREQUENCY DEFECTS VIDED FREQUENCY Frequency是什么意思 frequency是什么意思 frequency word frequency amplitude regular basis? regular friend regular是什么意思 regular意思 regular是什么意思 regular embroidery regular是什么意思 regular是什么意思 英语翻译simple frequency distributiongroup frequency distributionfrequency polygonhistogram