是这个话中的 What is the girl doing? She is having her eyesight examined to detect short-sightedness. 答案 目光短浅 哦..那就是近视的意思. 相关推荐 1 short-sightedness什么意思? 是这个话中的 What is the girl doing? She is having her eyesight examined to detect short-sightedness. ...
Farsightedness is an eye condition in which people can often see clearly far away, but objects up close may be blurry. Some people with farsightedness have blurry vision at both distance and near, depending on severity or age. The medical term for farsightedness ishyperopia. When light ent...
Farsightedness, also referred to as “hyperopia” by eye doctors, is the common term describing eyesight that is blurry on objects that are nearby, but clear when you look at anything in the distance. So, watching TV may be a problem, but reading a highway billboard probably isn’t. ...
What type of lens is used to correct nearsightedness? A. Convex lens B. Concave lens C. Plane mirror D. Prism 相关知识点: 试题来源: 解析 B。解析:近视是由于眼睛的晶状体对光线的会聚能力太强,需要用凹透镜来矫正。选项 A 凸透镜用于矫正远视眼;选项 C 平面镜主要用于反射;选项 D 棱镜用于光...
How do eyes get weak?After years of scientific research,the precise etiology of myopia(near-sightedness)remains elusive.Urban Chinese children are exposed ... DAS Karthikeyan,C Cao - 《城市漫步(gba版)》 被引量: 0发表: 2015年 Myopia is an Adaptive Characteristic of Vision: Not a Disease or...
C.3DprintinglaunchedbyLongMarch5B D.3Dprinting—anewwaytoexplorespace 二、七选五 阅读下面短文,从短文后的选项中选出可以填入空白处的最佳选项。选项中有两项为多余 选项。 语篇类型:说明文 主题语境:人与自我 词数:285 难度:★★★ Examanxiety (2022·山东省德州市第一中学高二阶段练习)Hasthiseverhappenedto...
What is nearsightedness? Medically referred to as myopia, nearsightedness occurs when the light entering the retina falls short, causing distant objects to appear blurry. This typically occurs because the cornea might have a bigger than average curvature, or the eyeball is too long. If you have...
Shortsightedness is a visual condition in which distant objects appear blurry to a person. Most people who are short sighted can...
a4、It can be argued that memory and foresightedness are the essence of intelligence; that man’s ability to manipulate time, to employ both past and future as guides to presentation, is what makes him human. 4、它可以被争论记忆和深谋远虑是智力精华; 人的能力操作时刻,过去使用两和未来作为对...
Kolata, Gina