regeneration frequencies的用法和樣例：
例句
- Morphological and physiological maturities of somatic cells directly affect plantlet germination and plantlet regeneration frequency.
體細胞胚在形態和生理上的成熟，直接影響到植株的萌發和再生頻率。 - Teased fiber analysis showed an increased frequency of axonal degeneration and regeneration as well as excessive myelin irregularity.
單纖維分析顯示軸突變性和再生頻率增加，並且過度髓鞘不規則。
