limit dilution passage

例句：

1. 1.The new drug has a limit dilution passage that can prevent the spread of the virus.
   这种新药有一个限制稀释通道，可以阻止病毒的传播。
2. 2.The scientist used a limit dilution passage to study the effects of different concentrations on the bacteria.
   科学家使用一个限制稀释通道来研究不同浓度对细菌的影响。
3. 3. The engineer designed a limit dilution passage to improve the efficiency of the process.
   工程师设计了一个限制稀释通道来提高过程的效率。