概率统计计算  Statistical probability computation; probabilistic statistical computation

概率统计计算法  Probability computing method; statistical analysis; Computational methods of probabilitical statistics

频率统计  Frequency statistics

统计频率  statistical frequency

相对统计特征  relative statistical character

差频频率计  beat frequency meter

低频频率计  low-frequency meter

绝对频率计  absolute frequency meter

声频频率计  sonic frequency cymometer

音频频率计  audio frequency meter; audio-frequency meter

自动微波锁相频率计数器  automatic source-locking microwave frequency counter

累积相对频率  cumulative relative frequency

频率相对偏差  frequency relative bias

频率相对时延  single mode propagation; frequency relative timedelay

同义密码子相对频率  relative frequency of synonymous codon

相对频率  relative frequency

相对频率法  relative frequency method

相对频率分辨  relative frequency resolution

相对频率分布  relative frequency distribution