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、...
They looked around for any signs of habitation.他们四处寻找有人居住的迹象。The recent survey found that 20 per cent of private-rented dwellings are unfit for human habitation...最近的调查发现，20%的私人租住房屋并不适合人居住。Signs of habitation appeared an...
Ozone is produced by the reaction between oxygen and ultra-violet light.臭氧由氧气和紫外线发生反应而产生。Her father is an ultra - conservative who is still opposed to freedom to choose her spouse.她爸是个老古董,现在还反对她自由恋爱.Ultra - violet record...
A new arithmetic of transforming IGES files to STL files is presented.提出一种将IGES文件格式转换成STL文件格式的算法.The structure of IGES files is introduced.介绍了IGES文件结构.Design calculations, parametrization graphics, IGES interface and i -...
He scored two home runs back to back in the 9 th inning.他在第9局连续获2分.He struck out in the third inning.他在第三局三击不中出局了.Our team began to choke up in the last inning.我们的球队在最后一局中因为紧张而打得不好....