Use bifocal or varifocal lenses may relieve asthenopia.如改用双焦点或渐进多焦点镜片可能有助于减轻视疲劳.Results Questionnaire indicated most patients complained about dry eye , foreinbody sensation , asthenopia and red eye.结果调查问卷中,干眼患者最多的主诉是干涩、...
Interlanguage has the characteristics of being open , flexible and systematic.中介语具有开放性 、 活性和系统性等特征.As a unique language system, the interlanguage has its own features and development phases.作为一种独特的语言体系, 中介语有其自身特点和发展阶段.Th...