Conclusions After penetrating keratoplasty, the wounds of corneal graft show tectonic instability and poor resistance to tension.
结论穿透性角膜移植术后创口稳定性和抗张能力差，较小的外力打击可引起破裂。
The main geological environmental problems include slope disasters, siltation of river courses and mouths, contamination of water and soils, tectonic instability and hidden karst collapses.
主要地质环境问题有斜坡灾害、河道、口门淤积，水土污染，构造稳定性和隐伏岩溶塌陷等。
The main geological environmental problems include slope disasters, siltation of river courses and mouths, contamination of water and soils, tectonic instability and hidden karst collapses.
主要地质环境问题有斜坡灾害、河道、口门淤积，水土污染，构造稳定性和隐伏岩溶塌陷等。
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