opticaladj.视觉的;光学的
optical longitudinal differential protection光纤纵差保护
optical stimulat presants frame luminescence光释光
optical-fiber line longitudinal protection光纤纵联保护
optical-electronic-machinery integration光机电一体化
optically scanned character automatic reader光扫描字符自动阅读机
optical-electronic mail address recognizer光电邮件地址识别机
optical feedback self-mixing intererometry光反馈自混合干涉
optical fiber current differential protection光纤电流差动保护