PRK是移除角膜薄的表层(上皮细胞)，然后眼科医生用激光使角膜平坦或弯曲。
PRK removes the thin surface layer of your cornea (epithelium). Your eye surgeon then USES a laser to flatten your cornea or make its curve steeper.
板材激光弯曲成形是一种新型金属板材柔性成形技术，与传统成形工艺相比具有显著优势。
Laser sheet bending is a new metal flexible forming process, which has shown more advantages in contrast to the classical metal forming.
对船用钢板激光弯曲成形过程的温度场、应力场及应变场进行了数值模拟。
The temperature field, stress field and strain field of shipbuilding steel plate during laser forming process were calculated.
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