actual flux density

例句：

1. 1. The actualflux density of the fluid is crucialfor predicting its behavior.
   流体的实际流量密度对于预测其行为至关重要。
2. 2. The actualflux density can be affected by various factors, such as temperature and pressure.
   实际流量密度可以受到各种因素的影响，如温度和压力。
3. 3. In thisexperiment, we measured the actualflux density of the gas flowingthrough the pipe.
   在这个实验中，我们测量了气体通过管道的实际流量密度。