background vapor pressure

例句：

1. 1.The background vapor pressure is a critical factor in determining the stability of the system.
   背景蒸汽压是决定系统稳定性的关键因素。
2. 2.The researchers found that the background vapor pressure was significantly higher than expected.
   研究人员发现，背景蒸汽压远高于预期。
3. 3. In order to maintain the stability of the system, it is important to control the background vapor pressure.
   为了保持系统的稳定，控制背景蒸汽压是很重要的。