This LIWC software generated the frequencies of promotion and prevention words in the transcribed text.
这个 LIWC 软件生成了转录文本中促进和预防词的频率。
PBS趣味科普
Caesium beam frequency standard, external oscillator generates a microwave frequency and induce those atoms to go into resonance, oscillating at that frequency for equal flux of atoms in the two hyperfine states.