The authors write that this observation may help explain why a 1996 study found that FruA contributed to cavityformation in rats.
论文作者该提出，这项观测结果可以解释为什么1996年的一项研究发现FruA促进大鼠蛀牙的形成。
2
The study results show that the activity of underground water plays a key role in the whole process from the cavityformation to the occurrence of ground collapse.
研究结果表明，地下水的活动在土洞的形成到地表塌陷产生的全过程中起着关键性的作用。
3
Histology showed that control group had massive cartilage cell gathering together and bone trabecula disturbance, it had no significant bone cortex and medullary cavityformation.