physiological dead space

例句：

1. 1.The study found that the physiological dead space in the lungs can be reduced by exercise.
   研究发现，通过锻炼可以降低肺部的生理死空间。
2. 2. The engineer designed a new device to minimize the physiological dead space in the engine.
   工程师设计了一种新的设备，以最小化发动机中的生理死空间。
3. 3.The researcher analyzed the data to find out how the physiological dead space in the brain affects memory.
   研究者分析了数据，以了解大脑中生理死空间对记忆的影响。