twist propagation

例句：

1. 1. The twist propagation of the virus is a major concern for public health officials.
   病毒的扭转传播是公共卫生官员们的主要担忧。
2. 2.The researcher found that the twist propagation pattern was consistent with the natural distribution of the species.
   研究者发现，这种扭转传播模式与物种的自然分布是一致的。
3. 3.The twist propagation model has been widely used in ecological studies to understand the spread of diseases and other factors.
   扭转传播模型在生态研究中被广泛使用，以理解疾病和其他因素的传播。