1. 过去研究发现，土石流受透水栅筛分作用影响，会产生流动、停积、再流动、再停积之重覆现象，直到透水栅淤塞失去筛分功效。
In the past researches, we can find that debris flow affected by the infiltration screening device.
2. 肝主疏泄，调畅气机，促进血液的运行；当肝气郁结时可导致血行障碍，血运不畅，血液瘀滞停积，即产生血瘀。
Once stagnation of liver-Qi happened, it would result in obstacle of blood-flow and produce blood stasis.