optotypes

optotypes

 英

  • 网络视标;试视力字体;视力表字型

例句

Optics and optical instruments - Visual acuity testing - Method of correlation optotypes

光学光学仪器.视觉敏锐测试.相关验光字体

Optics and optical instruments - Visual acuity testing - Method of correlating optotypes; Technical Corrigendum 1

光学光学仪器.视觉敏锐测验相关验光字体.技术勘误表1