Perrine-Baum regulation diagram

例句：

1. 1. The Perrine-Baum regulation diagram is used toanalyze the flow of water in a river.
   珀林-鲍姆调节图用于分析河流中水流的流动。
2. 2. The engineer usedthe Perrine-Baum regulation diagramto design the new bridge.
   工程师使用珀林-鲍姆调节图设计了这座新桥。
3. 3. The Perrine-Baumregulation diagram helps us understand the relationship betweendifferent variables in a system.
   珀林-鲍姆调节图帮助我们理解系统中不同变量之间的关系。