average charge density fluctuation

例句：

1. 1. The fluctuations in the average charge density are a key factor in determining the stability of the system.
   平均电荷密度的涨落是决定系统稳定性的关键因素。
2. 2. In recent years, scientists have made significant progress in understanding the underlying mechanisms behind these fluctuations.
   近年来，科学家们在理解这些涨落背后的机制方面取得了重大进展。
3. 3. These fluctuations can lead to changes in the behavior of particles and affect the overall performance of the device.
   这些涨落可能导致粒子行为的改变，并影响设备的整体性能。