治疗嵌甲的适应症包括，显著疼痛或感染；变形，趾甲弯曲（甲弯曲） ；慢性，复发性甲皱炎症（甲沟炎）。
Indications for the treatment of ingrown toenail include significant pain or infection; deformed, curved nail known as onychogryposis; or chronic, recurrent nail-fold inflammation (paronychia).
对聚甲基丙烯酸甲酯(PMMA)芯聚合物光纤的临界弯曲半径进行了测试，利用光栅单色仪对采用不同尺寸滤模器的光纤出射光谱进行了测量。
The critical bending radius of PMMA polymer optical fiber is measured, By using grating monochromator, the exiting spectrums of the mode filters with different dimensions are measured.
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