regulatory factor的用法和樣例：
例句
- Each tablet contains different growth factors, transforming growth factors and liquid regulatory factor for skin.
每片包含了不同的生長因子，轉化生長因子和液體調節因子的皮膚。 - Initiation of transcription requires sophisticated coordination of many different regulatory factors.
轉錄過程的啟動需要對許多不同調節因子進行精密複雜的協調。
