明视距离

1.normalreadingdistance  

明的英语翻译：

bright; clear; clear-sighted; honest; immediately following in time
understand
【医】 phanero-

视距的英语翻译：

【计】 viewing distance

离的英语翻译：

away; independent of; leave; off; part from; without
【医】 a-; ab-; ana-; ap-; apo-; de-; des-; e-; ex-